diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 2e64c2e9a8..d75d0a4e54 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -22,6 +22,7 @@ jobs:
         env:
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          DATABASE_URL: ${{ secrets.DATABASE_URL }}
           INFURA_CONNECTION: ${{ secrets.INFURA_CONNECTION }}
           ALCHEMY_CONNECTION_POLYGON: ${{ secrets.ALCHEMY_CONNECTION_POLYGON }}
           ALCHEMY_CONNECTION_ARBITRUM: ${{ secrets.ALCHEMY_CONNECTION_ARBITRUM }}
diff --git a/.gitignore b/.gitignore
index 631bfc8d9f..dda0acaa18 100755
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@ ccImages
 .idea/
 *output.json
 *.csv
+*.sql
+scripts/*.json
diff --git a/beforeTests.js b/beforeTests.js
index 28a400004d..420f902aad 100644
--- a/beforeTests.js
+++ b/beforeTests.js
@@ -35,9 +35,9 @@ module.exports = async function () {
   global.uniquePoolIdentifiersDB = new Set(
     (
       await axios.get(
-        'https://1rwmj4tky9.execute-api.eu-central-1.amazonaws.com/simplePools'
+        'https://1rwmj4tky9.execute-api.eu-central-1.amazonaws.com/distinctID'
       )
-    ).data.data
+    ).data
       .filter((p) => p.project !== global.apy[0].project)
       .map((p) => p.pool)
   );
diff --git a/env.js b/env.js
index dc27da7fae..5a7ca06ce8 100644
--- a/env.js
+++ b/env.js
@@ -19,4 +19,6 @@ module.exports = {
       .readdirSync('./src/adaptors')
       .filter((el) => !el.includes('js') && el !== '.DS_Store')
   ),
+  // DB
+  DATABASE_URL: process.env.DATABASE_URL,
 };
diff --git a/migrations/1661488110733_init.js b/migrations/1661488110733_init.js
new file mode 100644
index 0000000000..00f1473595
--- /dev/null
+++ b/migrations/1661488110733_init.js
@@ -0,0 +1,138 @@
+const { PgLiteral } = require('node-pg-migrate');
+
+exports.up = (pgm) => {
+  // ----- ADD UUID EXTENSION
+  pgm.createExtension('uuid-ossp', {
+    ifNotExists: true,
+  });
+  // ----- CREATE TABLES
+  // --- config
+  // table with static/semi-static information and consists of 1 row per unique pool.
+  // operations on this table: insert for new pools, update for existing pools
+  pgm.createTable('config', {
+    config_id: {
+      type: 'uuid', // uuid is created in the application
+      primaryKey: true,
+    },
+    updated_at: {
+      type: 'timestamptz',
+      notNull: true,
+      default: pgm.func('current_timestamp'),
+    },
+    pool: { type: 'text', notNull: true, unique: true },
+    project: { type: 'text', notNull: true },
+    chain: { type: 'text', notNull: true },
+    symbol: { type: 'text', notNull: true },
+    poolMeta: 'text',
+    underlyingTokens: { type: 'text[]' },
+    rewardTokens: { type: 'text[]' },
+    url: { type: 'text', notNull: true },
+  });
+
+  // --- yield
+  // our timeseries table. insert only on hourly granularity
+  pgm.createTable('yield', {
+    yield_id: {
+      type: 'uuid',
+      default: new PgLiteral('uuid_generate_v4()'),
+      primaryKey: true,
+    },
+    // configID is a FK in this table and references the PK (config_id) in config
+    configID: {
+      type: 'uuid',
+      notNull: true,
+      references: '"config"',
+      onDelete: 'cascade',
+    },
+    timestamp: {
+      type: 'timestamptz',
+      notNull: true,
+    },
+    tvlUsd: { type: 'bigint', notNull: true },
+    apy: { type: 'numeric', notNull: true },
+    apyBase: 'numeric',
+    apyReward: 'numeric',
+  });
+
+  // --- stat
+  // table which contains rolling statistics required to calculate ML features values
+  // and other things we use for plotting on the /overview page
+  pgm.createTable('stat', {
+    stat_id: {
+      type: 'uuid',
+      default: new PgLiteral('uuid_generate_v4()'),
+      primaryKey: true,
+    },
+    // configID is a FK in this table and references the PK (config_id) in config
+    configID: {
+      type: 'uuid',
+      notNull: true,
+      references: '"config"',
+      unique: true,
+      onDelete: 'cascade',
+    },
+    updated_at: {
+      type: 'timestamptz',
+      notNull: true,
+      default: pgm.func('current_timestamp'),
+    },
+    count: { type: 'smallint', notNull: true },
+    meanAPY: { type: 'numeric', notNull: true },
+    mean2APY: { type: 'numeric', notNull: true },
+    meanDR: { type: 'numeric', notNull: true },
+    mean2DR: { type: 'numeric', notNull: true },
+    productDR: { type: 'numeric', notNull: true },
+  });
+
+  // --- median
+  // median table content is used for the median chart on /overview (append only)
+  pgm.createTable('median', {
+    median_id: {
+      type: 'uuid',
+      default: new PgLiteral('uuid_generate_v4()'),
+      primaryKey: true,
+    },
+    timestamp: {
+      type: 'timestamptz',
+      notNull: true,
+      unique: true,
+    },
+    uniquePools: { type: 'integer', notNull: true },
+    medianAPY: { type: 'numeric', notNull: true },
+  });
+
+  // ----- FUNCTION
+  // for creating the updated_at timestamp field
+  pgm.createFunction(
+    'update_updated_at',
+    [], // no params
+    // options
+    {
+      language: 'plpgsql',
+      returns: 'TRIGGER',
+      replace: true,
+    },
+    // function body
+    `
+    BEGIN
+        NEW.updated_at = now();
+        RETURN NEW;
+    END
+    `
+  );
+
+  // ----- TRIGGERS;
+  // to trigger the defined function
+  pgm.createTrigger('config', 'update_updated_at', {
+    when: 'BEFORE',
+    operation: 'UPDATE',
+    function: 'update_updated_at',
+    level: 'ROW',
+  });
+  pgm.createTrigger('stat', 'update_updated_at', {
+    when: 'BEFORE',
+    operation: 'UPDATE',
+    function: 'update_updated_at',
+    level: 'ROW',
+  });
+};
diff --git a/migrations/1662350452113_add-yield-index.js b/migrations/1662350452113_add-yield-index.js
new file mode 100644
index 0000000000..2c58a0c145
--- /dev/null
+++ b/migrations/1662350452113_add-yield-index.js
@@ -0,0 +1,8 @@
+exports.up = (pgm) => {
+  // composite index for yield;
+  // added after ingestion of historical data
+  pgm.createIndex('yield', [
+    { name: 'configID', sort: 'ASC' },
+    { name: 'timestamp', sort: 'DESC' },
+  ]);
+};
diff --git a/package-lock.json b/package-lock.json
index 21c2303648..17cced622e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,9 +22,8 @@
         "graphql": "^15.5.1",
         "graphql-request": "^3.5.0",
         "lodash": "^4.17.21",
-        "mongoose": "^5.11.13",
         "node-fetch": "^2.6.1",
-        "saslprep": "^1.0.3",
+        "pg-promise": "^10.11.1",
         "simple-statistics": "^7.7.5",
         "superagent": "^6.1.0",
         "web3": "^1.4.0"
@@ -47,6 +46,9 @@
         "eslint-plugin-prettier": "^3.3.1",
         "eslint-plugin-react": "^7.22.0",
         "jest": "^28.1.3",
+        "node-pg-migrate": "^6.2.2",
+        "pg": "^8.8.0",
+        "pg-native": "^3.0.1",
         "prettier": "^2.2.1",
         "serverless": "^3.8.0",
         "serverless-prune-plugin": "^2.0.1",
@@ -3798,9 +3800,9 @@
       }
     },
     "node_modules/@sinclair/typebox": {
-      "version": "0.24.34",
-      "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.24.34.tgz",
-      "integrity": "sha512-x3ejWKw7rpy30Bvm6U0AQMOHdjqe2E3YJrBHlTxH0KFsp77bBa+MH324nJxtXZFpnTy/JW2h5HPYVm0vG2WPnw=="
+      "version": "0.24.35",
+      "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.24.35.tgz",
+      "integrity": "sha512-iN6ehuDndiTiDz2F+Orv/+oHJR+PrGv+38oghCddpsW4YEZl5qyLsWxSwYUWrKEOfjpGtXDFW6scJtjpzSLeSw=="
     },
     "node_modules/@sindresorhus/is": {
       "version": "0.14.0",
@@ -3934,14 +3936,6 @@
         "@types/node": "*"
       }
     },
-    "node_modules/@types/bson": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/@types/bson/-/bson-4.0.5.tgz",
-      "integrity": "sha512-vVLwMUqhYJSQ/WKcE60eFqcyuWse5fGH+NMAXHuKrUAPoryq3ATxk5o4bgYNtg5aOM4APVg7Hnb3ASqUYG0PKg==",
-      "dependencies": {
-        "@types/node": "*"
-      }
-    },
     "node_modules/@types/cacheable-request": {
       "version": "6.0.2",
       "resolved": "https://registry.npmjs.org/@types/cacheable-request/-/cacheable-request-6.0.2.tgz",
@@ -4055,19 +4049,10 @@
       "integrity": "sha512-ssE3Vlrys7sdIzs5LOxCzTVMsU7i9oa/IaW92wF32JFb3CVczqOkru2xspuKczHEbG3nvmPY7IFqVmGGHdNbYw==",
       "peer": true
     },
-    "node_modules/@types/mongodb": {
-      "version": "3.6.20",
-      "resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.6.20.tgz",
-      "integrity": "sha512-WcdpPJCakFzcWWD9juKoZbRtQxKIMYF/JIAM4JrNHrMcnJL6/a2NWjXxW7fo9hxboxxkg+icff8d7+WIEvKgYQ==",
-      "dependencies": {
-        "@types/bson": "*",
-        "@types/node": "*"
-      }
-    },
     "node_modules/@types/node": {
-      "version": "18.7.14",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.14.tgz",
-      "integrity": "sha512-6bbDaETVi8oyIARulOE9qF1/Qdi/23z6emrUh0fNJRUmjznqrixD4MpGDdgOFk5Xb0m2H6Xu42JGdvAxaJR/wA=="
+      "version": "18.7.15",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.15.tgz",
+      "integrity": "sha512-XnjpaI8Bgc3eBag2Aw4t2Uj/49lLBSStHWfqKvIuXD7FIrZyMLWp8KuAFHAqxMZYTF9l08N1ctUn9YNybZJVmQ=="
     },
     "node_modules/@types/pbkdf2": {
       "version": "3.1.0",
@@ -4077,6 +4062,17 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/pg": {
+      "version": "8.6.5",
+      "resolved": "https://registry.npmjs.org/@types/pg/-/pg-8.6.5.tgz",
+      "integrity": "sha512-tOkGtAqRVkHa/PVZicq67zuujI4Oorfglsr2IbKofDwBSysnaqSx7W1mDqFqdkGE6Fbgh+PZAl0r/BWON/mozw==",
+      "dev": true,
+      "dependencies": {
+        "@types/node": "*",
+        "pg-protocol": "*",
+        "pg-types": "^2.2.0"
+      }
+    },
     "node_modules/@types/prettier": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-2.7.0.tgz",
@@ -5002,6 +4998,14 @@
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
       "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
     },
+    "node_modules/assert-options": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/assert-options/-/assert-options-0.7.0.tgz",
+      "integrity": "sha512-7q9uNH/Dh8gFgpIIb9ja8PJEWA5AQy3xnBC8jtKs8K/gNVCr1K6kIvlm59HUyYgvM7oEDoLzGgPcGd9FqhtXEQ==",
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/assert-plus": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
@@ -5466,13 +5470,62 @@
         "node": ">=8"
       }
     },
+    "node_modules/bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "devOptional": true,
+      "dependencies": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
     "node_modules/bl": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
-      "integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
+      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
+      "dev": true,
       "dependencies": {
-        "readable-stream": "^2.3.5",
-        "safe-buffer": "^5.1.1"
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      }
+    },
+    "node_modules/bl/node_modules/buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
+    "node_modules/bl/node_modules/readable-stream": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+      "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+      "dev": true,
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
       }
     },
     "node_modules/blakejs": {
@@ -5481,9 +5534,9 @@
       "integrity": "sha512-QXUSXI3QVc/gJME0dBpXrag1kbzOqCjCX8/b54ntNyW6sjtoqxqRk3LTmXzaJoh71zMsDCjM+47jS7XiwN/+fQ=="
     },
     "node_modules/bluebird": {
-      "version": "3.5.1",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
-      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA=="
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+      "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
     },
     "node_modules/bn.js": {
       "version": "5.2.1",
@@ -5747,14 +5800,6 @@
         "node-int64": "^0.4.0"
       }
     },
-    "node_modules/bson": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.6.tgz",
-      "integrity": "sha512-EvVNVeGo4tHxwi8L6bPj3y3itEvStdwvvlojVxxbyYfoaxJ6keLgrTuKdyfEAszFK+H3olzBuafE0yoh0D1gdg==",
-      "engines": {
-        "node": ">=0.6.19"
-      }
-    },
     "node_modules/buffer": {
       "version": "4.9.2",
       "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.2.tgz",
@@ -5807,6 +5852,14 @@
       "resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
       "integrity": "sha512-3dthu5CYiVB1DEJp61FtApNnNndTckcqe4pFcLdvHtrpG+kcyekCJKg4MRiDcFW7A6AODnXB9U4dwQiCW5kzJQ=="
     },
+    "node_modules/buffer-writer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-2.0.0.tgz",
+      "integrity": "sha512-a7ZpuTZU1TRtnwyCNW3I5dc0wWNC3VR9S++Ewyk2HHZdrO3CQJqSpd+95Us590V6AL7JqUAH2IwZ/398PmNFgw==",
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/buffer-xor": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz",
@@ -5969,9 +6022,9 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001388",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001388.tgz",
-      "integrity": "sha512-znVbq4OUjqgLxMxoNX2ZeeLR0d7lcDiE5uJ4eUiWdml1J1EkxbnQq6opT9jb9SMfJxB0XA16/ziHwni4u1I3GQ==",
+      "version": "1.0.30001390",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001390.tgz",
+      "integrity": "sha512-sS4CaUM+/+vqQUlCvCJ2WtDlV81aWtHhqeEVkLokVJJa3ViN4zDxAGfq9R8i1m90uGHxo99cy10Od+lvn3hf0g==",
       "dev": true,
       "funding": [
         {
@@ -6064,6 +6117,20 @@
         "node": ">=4"
       }
     },
+    "node_modules/child-process-ext/node_modules/readable-stream": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+      "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+      "dev": true,
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/child-process-ext/node_modules/semver": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
@@ -6094,6 +6161,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/child-process-ext/node_modules/split2": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-3.2.2.tgz",
+      "integrity": "sha512-9NThjpgZnifTkJpzTZ7Eue85S49QwpNhZTq6GRJwObb6jnLFNGB7Qm73V5HewTROPyxD0C29xqmaI68bQtV+hg==",
+      "dev": true,
+      "dependencies": {
+        "readable-stream": "^3.0.0"
+      }
+    },
     "node_modules/child-process-ext/node_modules/which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -6620,7 +6696,8 @@
     "node_modules/core-util-is": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
-      "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ=="
+      "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==",
+      "devOptional": true
     },
     "node_modules/cors": {
       "version": "2.8.5",
@@ -6831,10 +6908,10 @@
       }
     },
     "node_modules/decamelize": {
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-      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
+      "dev": true
     },
     "process-utils": {
       "version": "4.0.0",
@@ -31475,6 +31647,7 @@
       "version": "2.3.7",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
       "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+      "dev": true,
       "requires": {
         "core-util-is": "~1.0.0",
         "inherits": "~2.0.3",
@@ -31550,11 +31723,6 @@
       "integrity": "sha512-p3VT+cOEgxFsRRA9X4lkI1E+k2/CtnKtU4gcxyaCUreilL/vqI6CdZ3wxVUx3UOUg+gnUOQQcRI7BmSI656MYA==",
       "dev": true
     },
-    "regexp-clone": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-1.0.0.tgz",
-      "integrity": "sha512-TuAasHQNamyyJ2hb97IuBEif4qBHGjPHBS64sZwytpLEqtBQ1gPJTnOaQ6qmpET16cK14kkjbazl6+p0RRv0yw=="
-    },
     "regexp.prototype.flags": {
       "version": "1.4.3",
       "resolved": "https://registry.npmjs.org/regexp.prototype.flags/-/regexp.prototype.flags-1.4.3.tgz",
@@ -31620,11 +31788,6 @@
         }
       }
     },
-    "require-at": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/require-at/-/require-at-1.0.6.tgz",
-      "integrity": "sha512-7i1auJbMUrXEAZCOQ0VNJgmcT2VOKPRl2YGJwgpHpC9CE91Mv4/4UYIUm4chGJaI381ZDq1JUicFii64Hapd8g=="
-    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -31822,14 +31985,6 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
-    "saslprep": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
-      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
-      "requires": {
-        "sparse-bitfield": "^3.0.3"
-      }
-    },
     "sax": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.1.tgz",
@@ -32079,12 +32234,6 @@
           "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
           "dev": true
         },
-        "bluebird": {
-          "version": "3.7.2",
-          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
-          "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
-          "dev": true
-        },
         "cacheable-request": {
           "version": "7.0.2",
           "resolved": "https://registry.npmjs.org/cacheable-request/-/cacheable-request-7.0.2.tgz",
@@ -32330,14 +32479,6 @@
       "dev": true,
       "requires": {
         "bluebird": "^3.7.2"
-      },
-      "dependencies": {
-        "bluebird": {
-          "version": "3.7.2",
-          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
-          "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
-          "dev": true
-        }
       }
     },
     "serverless-webpack": {
@@ -32356,12 +32497,6 @@
         "ts-node": ">= 8.3.0"
       },
       "dependencies": {
-        "bluebird": {
-          "version": "3.7.2",
-          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
-          "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
-          "dev": true
-        },
         "fs-extra": {
           "version": "9.1.0",
           "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-9.1.0.tgz",
@@ -32486,11 +32621,6 @@
         "object-inspect": "^1.9.0"
       }
     },
-    "sift": {
-      "version": "13.5.2",
-      "resolved": "https://registry.npmjs.org/sift/-/sift-13.5.2.tgz",
-      "integrity": "sha512-+gxdEOMA2J+AI+fVsCqeNn7Tgx3M9ZN9jdi95939l1IJ8cZsqS8sqpJyOkic2SJk+1+98Uwryt/gL6XDaV+UZA=="
-    },
     "signal-exit": {
       "version": "3.0.7",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.7.tgz",
@@ -32513,9 +32643,9 @@
       }
     },
     "simple-git": {
-      "version": "3.13.0",
-      "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-3.13.0.tgz",
-      "integrity": "sha512-VYrs3joeHvWGcN3K135RpGpPjm4AHYeOrclwew6LlfHgq6ozQYIW2yMnmjf4PCgVOuSYCbXkdUjyiFawuJz8MA==",
+      "version": "3.14.0",
+      "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-3.14.0.tgz",
+      "integrity": "sha512-Paad1BkrI7vWhImLybDRYOHnh3WPsHSKXJpmKM+iGjjKNV91XaOdd+yIdZ/gqdzncHDEKYff4k+74oNo1R+U8Q==",
       "dev": true,
       "requires": {
         "@kwsites/file-exists": "^1.1.1",
@@ -32576,11 +32706,6 @@
         }
       }
     },
-    "sliced": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
-      "integrity": "sha512-VZBmZP8WU3sMOZm1bdgTadsQbcscK0UM8oKxKVBs4XAhUo2Xxzm/OFMGBkPusxw9xL3Uy8LrzEqGqJhclsr0yA=="
-    },
     "solc": {
       "version": "0.7.3",
       "resolved": "https://registry.npmjs.org/solc/-/solc-0.7.3.tgz",
@@ -32675,35 +32800,15 @@
         "source-map": "^0.6.0"
       }
     },
-    "sparse-bitfield": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
-      "integrity": "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ==",
-      "requires": {
-        "memory-pager": "^1.0.2"
-      }
+    "spex": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/spex/-/spex-3.2.0.tgz",
+      "integrity": "sha512-9srjJM7NaymrpwMHvSmpDeIK5GoRMX/Tq0E8aOlDPS54dDnDUIp30DrP9SphMPEETDLzEM9+4qo+KipmbtPecg=="
     },
     "split2": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/split2/-/split2-3.2.2.tgz",
-      "integrity": "sha512-9NThjpgZnifTkJpzTZ7Eue85S49QwpNhZTq6GRJwObb6jnLFNGB7Qm73V5HewTROPyxD0C29xqmaI68bQtV+hg==",
-      "dev": true,
-      "requires": {
-        "readable-stream": "^3.0.0"
-      },
-      "dependencies": {
-        "readable-stream": {
-          "version": "3.6.0",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
-          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
-          "dev": true,
-          "requires": {
-            "inherits": "^2.0.3",
-            "string_decoder": "^1.1.1",
-            "util-deprecate": "^1.0.1"
-          }
-        }
-      }
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-4.1.0.tgz",
+      "integrity": "sha512-VBiJxFkxiXRlUIeyMQi8s4hgvKCSjtknJv/LVYbrgALPwf5zSKmEwV9Lst25AkvMDnvxODugjdl6KZgwKM1WYQ=="
     },
     "sprintf-js": {
       "version": "1.0.3",
@@ -33285,27 +33390,6 @@
         "readable-stream": "^3.1.1"
       },
       "dependencies": {
-        "bl": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
-          "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
-          "dev": true,
-          "requires": {
-            "buffer": "^5.5.0",
-            "inherits": "^2.0.4",
-            "readable-stream": "^3.4.0"
-          }
-        },
-        "buffer": {
-          "version": "5.7.1",
-          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
-          "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
-          "dev": true,
-          "requires": {
-            "base64-js": "^1.3.1",
-            "ieee754": "^1.1.13"
-          }
-        },
         "readable-stream": {
           "version": "3.6.0",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
@@ -34821,6 +34905,12 @@
           "integrity": "sha512-Gmy6FhYlCY7uOElZUSbxo2UCDH8owEk996gkbrpsgGtrJLM3J7jGxl9Ic7Qwwj4ivOE5AWZWRMecDdF7hqGjFA==",
           "peer": true
         },
+        "decamelize": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-4.0.0.tgz",
+          "integrity": "sha512-9iE1PgSik9HeIIw2JO94IidnE3eBoQrFJ3w7sFuzSX4DpmZ3v5sZpUiV5Swcf6mQEF+Y0ru8Neo+p+nyh2J+hQ==",
+          "peer": true
+        },
         "is-plain-obj": {
           "version": "2.1.0",
           "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-2.1.0.tgz",
diff --git a/package.json b/package.json
index 6eae3a20da..c063d8e28c 100644
--- a/package.json
+++ b/package.json
@@ -4,9 +4,10 @@
   "scripts": {
     "deploy:env": "sls deploy --stage $NODE_ENV",
     "deploy:prod": "export AWS_PROFILE='defillama' && export NODE_ENV=prod && npm run deploy:env",
-    "deploy:dev": "export AWS_PROFILE='default' && export NODE_ENV=dev && npm run deploy:env",
+    "deploy:dev": "export AWS_PROFILE='defillama' && export NODE_ENV=dev && npm run deploy:env",
     "deploy": "export NODE_ENV=prod && npm run deploy:env",
-    "test": "jest"
+    "test": "jest",
+    "migrate": "node-pg-migrate"
   },
   "author": "",
   "license": "ISC",
@@ -24,9 +25,8 @@
     "graphql": "^15.5.1",
     "graphql-request": "^3.5.0",
     "lodash": "^4.17.21",
-    "mongoose": "^5.11.13",
     "node-fetch": "^2.6.1",
-    "saslprep": "^1.0.3",
+    "pg-promise": "^10.11.1",
     "simple-statistics": "^7.7.5",
     "superagent": "^6.1.0",
     "web3": "^1.4.0"
@@ -49,6 +49,9 @@
     "eslint-plugin-prettier": "^3.3.1",
     "eslint-plugin-react": "^7.22.0",
     "jest": "^28.1.3",
+    "node-pg-migrate": "^6.2.2",
+    "pg": "^8.8.0",
+    "pg-native": "^3.0.1",
     "prettier": "^2.2.1",
     "serverless": "^3.8.0",
     "serverless-prune-plugin": "^2.0.1",
diff --git a/scripts/boostrapMedianTable.js b/scripts/boostrapMedianTable.js
deleted file mode 100644
index 17a7c237b1..0000000000
--- a/scripts/boostrapMedianTable.js
+++ /dev/null
@@ -1,49 +0,0 @@
-const fs = require('fs');
-
-const AWS = require('aws-sdk');
-const ss = require('simple-statistics');
-
-const { confirm } = require('../src/utils/confirm');
-const { boundaries } = require('../src/utils/exclude');
-const { insertMedian } = require('../src/handlers/triggerMedian');
-
-// set config (we run this script locally)
-const credentials = new AWS.SharedIniFileCredentials({ profile: 'defillama' });
-AWS.config.credentials = credentials;
-AWS.config.update({ region: 'eu-central-1' });
-process.env['SSM_PATH'] = '/llama-apy/serverless/sls-authenticate';
-
-(async () => {
-  await confirm(
-    `Confirm with 'yes' if you want to start the ${process.argv[1]
-      .split('/')
-      .slice(-1)} script: `
-  );
-  // pools.json is a full database snapshot of daily values only (the last value per pool per day)
-  // containing pool and the total apy fields
-  let data = JSON.parse(fs.readFileSync(process.argv[2]));
-  // keeping positive values only
-  data = data.filter(
-    (p) =>
-      p.apy !== null && p.apy >= boundaries.apy.lb && p.apy <= boundaries.apy.ub
-  );
-  const payload = [];
-  for (const [i, timestamp] of [
-    ...new Set(data.map((el) => el.timestamp)),
-  ].entries()) {
-    console.log(i, timestamp);
-
-    // filter to day
-    let X = data.filter((el) => el.timestamp === timestamp);
-
-    payload.push({
-      timestamp: new Date(timestamp),
-      medianAPY: ss.median(X.map((p) => p.apy)),
-      uniquePools: new Set(X.map((p) => p.pool)).size,
-    });
-  }
-
-  const response = await insertMedian(payload);
-  console.log(response);
-  process.exit(0);
-})();
diff --git a/scripts/boostrapStatsTable.js b/scripts/boostrapStatsTable.js
deleted file mode 100644
index 1a67f4125a..0000000000
--- a/scripts/boostrapStatsTable.js
+++ /dev/null
@@ -1,65 +0,0 @@
-const fs = require('fs');
-
-const AWS = require('aws-sdk');
-const ss = require('simple-statistics');
-
-const { confirm } = require('../src/utils/confirm');
-const { boundaries } = require('../src/utils/exclude');
-const { insertStats } = require('../src/handlers/triggerStats');
-
-// set config (we run this script locally)
-const credentials = new AWS.SharedIniFileCredentials({ profile: 'defillama' });
-AWS.config.credentials = credentials;
-AWS.config.update({ region: 'eu-central-1' });
-process.env['SSM_PATH'] = '/llama-apy/serverless/sls-authenticate';
-
-(async () => {
-  await confirm(
-    `Confirm with 'yes' if you want to start the ${process.argv[1]
-      .split('/')
-      .slice(-1)} script: `
-  );
-  // pools.json is a full database snapshot of daily values only (the last value per pool per day)
-  // containing pool and the total apy fields
-  let data = JSON.parse(fs.readFileSync(process.argv[2]));
-  // keeping positive values only
-  data = data.filter(
-    (p) =>
-      p.apy !== null && p.apy >= boundaries.apy.lb && p.apy <= boundaries.apy.ub
-  );
-
-  // create return field
-  const T = 365;
-  // transform raw apy to return field (required for geometric mean below)
-  data = data.map((p) => ({
-    ...p,
-    return: (1 + p.apy / 100) ** (1 / T) - 1,
-  }));
-
-  const payload = [];
-  for (const [i, pool] of [...new Set(data.map((el) => el.pool))].entries()) {
-    console.log(i);
-
-    // filter to pool
-    let X = data.filter((el) => el.pool === pool);
-    if (X.length === 0) continue;
-
-    const count = X.length;
-    const seriesAPY = X.map((p) => p.apy);
-    const seriesReturn = X.map((p) => p.return);
-
-    payload.push({
-      pool,
-      count,
-      meanAPY: seriesAPY.reduce((a, b) => a + b, 0) / count,
-      mean2APY: count < 2 ? null : ss.variance(seriesAPY) * (count - 1),
-      meanDR: seriesReturn.reduce((a, b) => a + b, 0) / count,
-      mean2DR: count < 2 ? null : ss.variance(seriesReturn) * (count - 1),
-      productDR: seriesReturn.map((a) => 1 + a).reduce((a, b) => a * b),
-    });
-  }
-
-  const response = await insertStats(payload);
-  console.log(response);
-  process.exit(0);
-})();
diff --git a/src/utils/confirm.js b/scripts/confirm.js
similarity index 100%
rename from src/utils/confirm.js
rename to scripts/confirm.js
diff --git a/scripts/createConfig.js b/scripts/createConfig.js
new file mode 100644
index 0000000000..2711f7779c
--- /dev/null
+++ b/scripts/createConfig.js
@@ -0,0 +1,46 @@
+const fs = require('fs');
+
+const superagent = require('superagent');
+
+const { confirm } = require('./confirm');
+const { connect } = require('../src/utils/dbConnection');
+const {
+  buildInsertConfigQuery,
+} = require('../src/controllers/configController');
+
+(async () => {
+  await confirm(
+    `Confirm with 'yes' if you want to start the ${process.argv[1]
+      .split('/')
+      .slice(-1)} script: `
+  );
+
+  const uuids = JSON.parse(fs.readFileSync('./created_uuids.json'));
+  const urls = (
+    await superagent.get(
+      'https://1rwmj4tky9.execute-api.eu-central-1.amazonaws.com/urls'
+    )
+  ).body;
+  let data = JSON.parse(fs.readFileSync('./yield_snapshot_last.json'));
+
+  data = data.map((p) => ({
+    config_id: uuids[p.pool],
+    pool: p.pool,
+    project: p.project,
+    chain: p.chain,
+    symbol: p.symbol,
+    poolMeta: p.poolMeta,
+    underlyingTokens:
+      p?.underlyingTokens?.length > 0 ? p?.underlyingTokens : null,
+    rewardTokens: p?.rewardTokens?.length > 0 ? p?.rewardTokens : null,
+    url: urls[p.project],
+  }));
+
+  // build multi row insert query
+  const insertConfigQ = buildInsertConfigQuery(data);
+
+  const conn = await connect();
+  const response = await conn.result(insertConfigQ);
+  console.log(response);
+  process.exit(0);
+})();
diff --git a/scripts/createMedian.js b/scripts/createMedian.js
new file mode 100644
index 0000000000..7db05d7f6e
--- /dev/null
+++ b/scripts/createMedian.js
@@ -0,0 +1,45 @@
+const fs = require('fs');
+
+const ss = require('simple-statistics');
+
+const { confirm } = require('./confirm');
+const exclude = require('../src/utils/exclude');
+const { insertMedian } = require('../src/controllers/medianController');
+
+(async () => {
+  await confirm(
+    `Confirm with 'yes' if you want to start the ${process.argv[1]
+      .split('/')
+      .slice(-1)} script: `
+  );
+  // load yield table snapshot of daily values only
+  let data = JSON.parse(fs.readFileSync('./yield_snapshot_daily.json'));
+  // we filter further on tvl (10k) cause this is what we do on retrieval from db for frontend
+  data = data.filter(
+    (p) =>
+      p.tvlUsd >= 1e4 &&
+      !exclude.excludePools.includes(p.pool) &&
+      !exclude.excludeAdaptors.includes(p.project)
+  );
+
+  let payload = [];
+  for (const [i, timestamp] of [
+    ...new Set(data.map((el) => el.timestamp)),
+  ].entries()) {
+    console.log(i, timestamp);
+
+    // filter to day
+    let X = data.filter((el) => el.timestamp === timestamp);
+
+    payload.push({
+      timestamp: new Date(timestamp),
+      medianAPY: parseFloat(ss.median(X.map((p) => p.apy)).toFixed(5)),
+      uniquePools: new Set(X.map((p) => p.pool)).size,
+    });
+  }
+  payload = payload.sort((a, b) => b.timestamp - a.timestamp);
+
+  const response = await insertMedian(payload);
+  console.log(response);
+  process.exit(0);
+})();
diff --git a/scripts/createStat.js b/scripts/createStat.js
new file mode 100644
index 0000000000..be12852d7d
--- /dev/null
+++ b/scripts/createStat.js
@@ -0,0 +1,54 @@
+const fs = require('fs');
+
+const ss = require('simple-statistics');
+
+const { confirm } = require('./confirm');
+const { insertStat } = require('../src/controllers/statController');
+
+(async () => {
+  await confirm(
+    `Confirm with 'yes' if you want to start the ${process.argv[1]
+      .split('/')
+      .slice(-1)} script: `
+  );
+  // load yield table snapshot of daily values only
+  let data = JSON.parse(fs.readFileSync('./yield_snapshot_daily.json'));
+
+  // load the uuids
+  const uuids = JSON.parse(fs.readFileSync('./created_uuids.json'));
+
+  // create return field
+  const T = 365;
+  // transform raw apy to return field (required for geometric mean below)
+  data = data.map((p) => ({
+    pool: p.pool,
+    apy: p.apy,
+    return: (1 + p.apy / 100) ** (1 / T) - 1,
+  }));
+
+  const payload = [];
+  for (const [i, pool] of [...new Set(data.map((p) => p.pool))].entries()) {
+    console.log(i);
+
+    // filter to config id
+    let X = data.filter((p) => p.pool === pool);
+    if (X.length === 0) continue;
+
+    const count = X.length;
+    const seriesAPY = X.map((p) => p.apy);
+    const seriesReturn = X.map((p) => p.return);
+
+    payload.push({
+      configID: uuids[pool],
+      count,
+      meanAPY: seriesAPY.reduce((a, b) => a + b, 0) / count,
+      mean2APY: count < 2 ? 0 : ss.variance(seriesAPY) * (count - 1),
+      meanDR: seriesReturn.reduce((a, b) => a + b, 0) / count,
+      mean2DR: count < 2 ? 0 : ss.variance(seriesReturn) * (count - 1),
+      productDR: seriesReturn.map((a) => 1 + a).reduce((a, b) => a * b),
+    });
+  }
+  const response = await insertStat(payload);
+  console.log(response);
+  process.exit(0);
+})();
diff --git a/scripts/createUUID.js b/scripts/createUUID.js
new file mode 100644
index 0000000000..48ef4d2be9
--- /dev/null
+++ b/scripts/createUUID.js
@@ -0,0 +1,21 @@
+const fs = require('fs');
+const crypto = require('crypto');
+
+const data = JSON.parse(fs.readFileSync('./yield_snapshot_last.json'));
+const uniquePools = new Set(data.map((p) => p.pool));
+console.log('nb of unique pools: ', uniquePools.size);
+
+const uuidMapping = {};
+for (const pool of uniquePools) {
+  uuidMapping[pool] = crypto.randomUUID();
+}
+console.log(
+  'nb of unique pools in mapping: ',
+  new Set(Object.keys(uuidMapping)).size
+);
+console.log(
+  'nb of unique uuids in mapping: ',
+  new Set(Object.values(uuidMapping)).size
+);
+
+fs.writeFileSync('./created_uuids.json', JSON.stringify(uuidMapping));
diff --git a/scripts/createYield.js b/scripts/createYield.js
new file mode 100644
index 0000000000..9d094c597d
--- /dev/null
+++ b/scripts/createYield.js
@@ -0,0 +1,34 @@
+const fs = require('fs');
+
+const { confirm } = require('./confirm');
+const { connect } = require('../src/utils/dbConnection');
+const { buildInsertYieldQuery } = require('../src/controllers/yieldController');
+
+(async () => {
+  await confirm(
+    `Confirm with 'yes' if you want to start the ${process.argv[1]
+      .split('/')
+      .slice(-1)} script: `
+  );
+
+  const uuids = JSON.parse(fs.readFileSync('./created_uuids.json'));
+
+  let data = JSON.parse(fs.readFileSync('./yield_snapshot_daily.json'));
+
+  data = data.map((p) => ({
+    configID: uuids[p.pool],
+    timestamp: new Date(p.timestamp),
+    tvlUsd: p.tvlUsd,
+    apy: p.apy,
+    apyBase: p.apyBase,
+    apyReward: p.apyReward,
+  }));
+
+  // build multi row insert query
+  const insertYieldQ = buildInsertYieldQuery(data);
+
+  const conn = await connect();
+  const response = await conn.result(insertYieldQ);
+  console.log(response);
+  process.exit(0);
+})();
diff --git a/scripts/fillOld.js b/scripts/fillOld.js
deleted file mode 100644
index 4bde0bad8c..0000000000
--- a/scripts/fillOld.js
+++ /dev/null
@@ -1,118 +0,0 @@
-const path = require('path');
-const dotenv = require('dotenv');
-
-const AWS = require('aws-sdk');
-
-const poolModel = require('../models/pool');
-const AppError = require('../utils/appError');
-const { confirm } = require('../src/utils/confirm');
-const dbConnection = require('../src/utils/dbConnection.js');
-const { insertPools } = require('../src/handlers/triggerAdaptor');
-
-const credentials = new AWS.SharedIniFileCredentials({ profile: 'defillama' });
-AWS.config.credentials = credentials;
-
-dotenv.config({ path: './config.env' });
-
-(async () => {
-  if (process.argv.length < 4) {
-    console.error(`Missing argument, you need to provide the adaptor name, a
-      unix timestamp in seconds and optionally the number of days you want to backfill the data
-      Eg: node scripts/fillOld.js pangolin 1648098107 10`);
-    process.exit(1);
-  }
-
-  await confirm('Confirm with `yes` if you want to start the fillOld script: ');
-
-  const project = process.argv[2];
-  let timestamp = process.argv[3];
-  const maxDays = process.argv[4] === undefined ? 1 : process.argv[4];
-  // round timestamp to midnight
-  // eg 2022-04-06T00:00:00.000Z
-  timestamp = Math.floor(timestamp / 60 / 60 / 24) * 24 * 60 * 60;
-  const offset = 86400;
-  const passedFile = path.resolve(
-    process.cwd(),
-    `src/adaptors/${project}/index.js`
-  );
-
-  // 1. load module
-  const module = require(passedFile);
-  if (!module.timetravel)
-    return console.log(`${project} can't timetravel, exiting!`);
-
-  // 2. run adaptor
-  console.log(`Starting timetravel for ${project}...\n`);
-  for (let i = 0; i < maxDays; i++) {
-    console.log(
-      `Unix: ${timestamp}, ISO: ${new Date(
-        timestamp * 1000
-      ).toISOString()}, Nb: ${i + 1}`
-    );
-
-    console.log('\trunning adaptor');
-    const data = await module.apy(timestamp);
-
-    // filter to $1k usd tvl
-    const tvlMinThr = 1e3;
-    let dataDB = data.filter((el) => el.tvlUsd >= tvlMinThr);
-
-    // add timestamp
-    dataDB = dataDB.map((p) => ({
-      ...p,
-      timestamp: new Date(timestamp * 1000),
-    }));
-
-    // DB update
-    // step1: we delete all hourly samples on that particular day for that project
-    // step2: we insert the new ones
-    // reason instead of updateMany: if we'd just use an update operation without deleting anything,
-    // we'd have only outdated objects for that day with the exception of the updated one.
-    // -> confusing when looking at the historcal data and especially bad when we want to use the old data
-    // for some analysis work as nothing would make sense
-    try {
-      // delete
-      const responseDelete = (await deletePools(timestamp, project)).response;
-      console.log(`\tDeleted ${responseDelete.n} samples`);
-
-      // insert
-      const responseInsert = (await insertPools(dataDB)).response;
-      console.log(`\t${responseInsert} samples\n`);
-    } catch (err) {
-      throw new Error(err);
-    }
-    // update timestamp
-    timestamp -= offset;
-  }
-  console.log(`\njob finished, backfilled ${maxDays} day(s)`);
-
-  process.exit(0);
-})();
-
-const deletePools = async (timestamp, project) => {
-  const conn = await dbConnection.connect();
-  const M = conn.model(poolModel.modelName);
-
-  const lb = new Date(timestamp * 1000);
-  const ub = new Date((timestamp + 86400) * 1000);
-
-  // we filter to a project and the current timestamp from midnight up to the next day midnight
-  // eg timestamp 1649116800 == 2022-04-05T00:00:00.000Z
-  // lb == 2022-04-05T00:00:00.000Z; ub == 2022-04-06T00:00:00.000Z
-  // we remove everything >= lb up to < ub
-  const filter = {
-    project,
-    timestamp: { $gte: lb, $lt: ub },
-  };
-
-  const response = await M.deleteMany(filter);
-
-  if (!response) {
-    return new AppError("Couldn't delete data", 404);
-  }
-
-  return {
-    status: 'success',
-    response,
-  };
-};
diff --git a/scripts/prepareSnapshot.py b/scripts/prepareSnapshot.py
index 1f3b01c0b2..eac7cacd22 100644
--- a/scripts/prepareSnapshot.py
+++ b/scripts/prepareSnapshot.py
@@ -1,21 +1,101 @@
 import sys
+import ast
 
 import pandas as pd
 
+# the way i ran this:
+# Step 1) DOWNLOAD FULL HISTORY from mongodb
 
-def trim(filename: str) -> None:
-    # this script reduces hourly data to daily data (latest value per pool based on timestamp)
-    # note: i didn't manage to run this directly on db server, hence the script
+# Step 2) PREPARE DATA
+# run this python script, which does:
+    # filter apy >= 0, tvlUsd >= 1000
+    # cast dtype: tvlUsd to integer
+    # round apy columns to 5 decimals
+    # ...
+    # stores 3 outputs: the full hourly history (for yield), last value for each day (for stat), last value (for config)
+
+# Step 3) CREATE UUIDS
+# based on output from Step 2) run the bootstrapUUID.js file which creates a unique uuid for each unique pool and stores that locally
+
+# Step 4) CREATE THE POSTGRES TABLES
+# run the create scripts starting with config, then the others (order doesn't matter for the rest)
+
+def replaceFunc(x: str) -> str:
+    if x == "[null]":
+        return "[]"
+    elif x == "[null,null]":
+        return "[]"
+    elif "null," in x:
+        return x.replace("null,", "")
+    elif ",null" in x:
+        return x.replace(",null", "")
+    else:
+        return x
+
+
+def prepare_snapshot(filename: str) -> None:
     df = pd.read_csv(f"{filename}")
+
+    # correct none, null values in array
+    df.loc[df["underlyingTokens"].notnull(), "underlyingTokens"] = df.loc[
+        df["underlyingTokens"].notnull(), "underlyingTokens"
+    ].apply(lambda x: replaceFunc(x) if "null" in x else x)
+
+    # remove rows where all 3 apy fields are null
+    df = df[
+        ~((df["apy"].isnull()) & (df["apyReward"].isnull()) & (df["apyBase"].isnull()))
+    ]
+
+    # keep positive apy sum values only
+    df = df[(df["apy"] >= 0) & (df["apy"] <= 1e6)]
+    # tvl btw boundary values
+    df = df[(df["tvlUsd"] >= 1000) & (df["tvlUsd"] <= 2e10)]
+
+    # remove pools and project from exclusion list
+    exclude_pools = [
+        "0xf4bfe9b4ef01f27920e490cea87fe2642a8da18d",
+        "DWmAv5wMun4AHxigbwuJygfmXBBe9WofXAtrMCRJExfb",
+        "ripae-seth-weth-42161",
+        "ripae-peth-weth-42161",
+        "0x3eed430cd45c5e2b45aa1adc609cc77c6728d45b",
+        "0x3c42B0f384D2912661C940d46cfFE1CD10F1c66F-ethereum",
+        "0x165ab553871b1a6b3c706e15b6a7bb29a244b2f3",
+    ]
+    df = df[~df["pool"].isin(exclude_pools)]
+    df = df[df["project"] != "koyo-finance"]
+
+    # cast dtypes and round
+    df["tvlUsd"] = df["tvlUsd"].astype(int)
+    apy_columns = ["apy", "apyBase", "apyReward"]
+    df[apy_columns] = df[apy_columns].round(5)
+
+    # 1. hourly (for yield table)
     df["timestamp"] = pd.to_datetime(df["timestamp"])
-    df = df.sort_values(["pool", "timestamp"]).reset_index(drop=True)
-    (
+    df = df.sort_values(["pool", "timestamp"], ascending=True).reset_index(drop=True)
+    f = "yield_snapshot"
+    df.to_csv(f"{f}_hourly.csv", index=False)
+
+    # 2. prepare daily (for stat)
+    df_daily = (
         df.groupby(["pool", pd.Grouper(key="timestamp", freq="1D")])
         .last()
         .reset_index()
-        .to_json(f"{filename.split('.')[0]}_daily.json", orient="records")
     )
+    df_daily.to_json(f"{f}_daily.json", orient="records")
+
+    # 3. prepare last (for config)
+    df_last = (
+        df_daily.sort_values(["pool", "timestamp"], ascending=True)
+        .groupby("pool")
+        .last()
+        .reset_index()
+    )
+    # cast string to arrays
+    func = lambda x: ast.literal_eval(x) if type(x) == str else x
+    df_last["underlyingTokens"] = df_last["underlyingTokens"].apply(func)
+    df_last["rewardTokens"] = df_last["rewardTokens"].apply(func)
+    df_last.to_json(f"{f}_last.json", orient="records")
 
 
 if __name__ == "__main__":
-    trim(sys.argv[1])
+    prepare_snapshot(sys.argv[1])
diff --git a/serverless.yml b/serverless.yml
index d77d953f0d..0976a72eff 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -7,7 +7,7 @@ frameworkVersion: '3'
 
 provider:
   name: aws
-  runtime: nodejs14.x
+  runtime: nodejs16.x
   stage: dev
   region: eu-central-1
   tracing:
@@ -28,13 +28,6 @@ provider:
             - s3:*Object*
             - sqs:SendMessage
           Resource: '*'
-        - Effect: Allow
-          Action:
-            - ssm:PutParameter
-            - ssm:GetParameter
-            - ssm:DescribeParameters
-            - kms:Decrypt
-          Resource: '*'
 
   environment:
     # for entrypoint and enrichment
@@ -55,13 +48,14 @@ provider:
             ],
           ],
       }
-    SSM_PATH: ${self:custom.ssmPath}
     BUCKET_DATA: { Ref: BucketData }
+    DATABASE_URL: ${file(./env.js):DATABASE_URL}
 
   httpApi:
     metrics: true
 
 functions:
+  # ---------- TRIGGER HANDLERS
   # --- top-lvl-entrypoint
   triggerEntrypoint:
     handler: src/handlers/triggerEntrypoint.handler
@@ -106,13 +100,13 @@ functions:
       - schedule: cron(20 * * * ? *)
 
   # --- stats update
-  triggerStats:
-    handler: src/handlers/triggerStats.handler
-    description: Lambda which updates the stats table
+  triggerStat:
+    handler: src/handlers/triggerStat.handler
+    description: Lambda which updates the stat table
     timeout: 300
     events:
-      # at midnight
-      - schedule: cron(0 0 * * ? *)
+      # 30min prior midnight
+      - schedule: cron(30 23 * * ? *)
 
   # --- median insert
   triggerMedian:
@@ -120,28 +114,19 @@ functions:
     description: Lambda which inserts latest value into the median table
     timeout: 300
     events:
-      # at midnight
-      - schedule: cron(0 0 * * ? *)
+      # 30min prior midnight
+      - schedule: cron(30 23 * * ? *)
 
   # --- save poolsEnriched as CSV
   triggerCsv:
     handler: src/handlers/triggerCsv.handler
-    description: Lambda which dumps poolsEnriched as csv to s3 bucket
+    description: Lambda which saves poolsEnriched as csv to s3 bucket
     timeout: 300
     events:
       # every hour at 25 past
       - schedule: cron(25 * * * ? *)
 
-  # --- DB Crud operations
-  getPools:
-    handler: src/handlers/getPools.handler
-    description: Lambda for retrieving the latest data for each unique pool
-    timeout: 30
-    events:
-      - httpApi:
-          method: get
-          path: /simplePools
-
+  # ---------- GET HANDLERS
   getPoolsEnriched:
     handler: src/handlers/getPoolsEnriched.handler
     description: Lambda for retrieving the latest enriched data for each unique pool
@@ -161,25 +146,34 @@ functions:
     events:
       - httpApi:
           method: get
-          path: /chart/{pool}
+          path: /chart/{configID}
 
   getMedian:
     handler: src/handlers/getMedian.handler
-    description: Lambda for retrieving median data
+    description: Lambda for retrieving daily median apy's
     timeout: 20
     events:
       - httpApi:
           method: get
           path: /median
 
-  getUrls:
-    handler: src/handlers/getUrls.handler
-    description: Lambda for retrieving url data
+  getUrl:
+    handler: src/handlers/getUrl.handler
+    description: Lambda for retrieving project url's
+    timeout: 20
+    events:
+      - httpApi:
+          method: get
+          path: /url
+
+  getDistinctID:
+    handler: src/handlers/getDistinctID.handler
+    description: Lambda for retrieving unique pool id's
     timeout: 20
     events:
       - httpApi:
           method: get
-          path: /urls
+          path: /distinctID
 
 resources:
   Resources:
@@ -244,7 +238,6 @@ resources:
 
 custom:
   stage: ${opt:stage, self:provider.stage}
-  ssmPath: /${self:service}/serverless/sls-authenticate
   webpack:
     webpackConfig: 'webpack.config.js'
     includeModules: true
diff --git a/src/controllers/configController.js b/src/controllers/configController.js
new file mode 100644
index 0000000000..9dc4df96d2
--- /dev/null
+++ b/src/controllers/configController.js
@@ -0,0 +1,118 @@
+const minify = require('pg-minify');
+
+const { pgp, connect } = require('../utils/dbConnection');
+
+const tableName = 'config';
+
+// get config data per project
+const getConfigProject = async (project) => {
+  const conn = await connect();
+
+  const query = minify(
+    `
+    SELECT
+        config_id,
+        pool
+    FROM
+        $<table:name>
+    WHERE
+        project = $<project>
+    `,
+    { compress: true }
+  );
+
+  const response = await conn.query(query, { table: tableName, project });
+
+  if (!response) {
+    return new AppError(`Couldn't get ${tableName} data`, 404);
+  }
+
+  return response;
+};
+
+// get distinct urls per project
+const getUrl = async () => {
+  const conn = await connect();
+
+  const query = minify(
+    `
+    SELECT
+        DISTINCT(project),
+        url
+    FROM
+        $<table:name>
+    `,
+    { compress: true }
+  );
+
+  const response = await conn.query(query, { table: tableName });
+
+  if (!response) {
+    return new AppError(`Couldn't get ${tableName} data`, 404);
+  }
+
+  const out = {};
+  for (const e of response) {
+    out[e.project] = e.url;
+  }
+
+  return out;
+};
+
+// get unique pool values
+// (used during adapter testing to check if a pool field is already in the DB)
+const getDistinctID = async () => {
+  const conn = await connect();
+
+  const query = minify(
+    `
+    SELECT
+        DISTINCT(pool),
+        project
+    FROM
+        $<table:name>
+    `,
+    { compress: true }
+  );
+
+  const response = await conn.query(query, { table: tableName });
+
+  if (!response) {
+    return new AppError(`Couldn't get ${tableName} data`, 404);
+  }
+
+  return response;
+};
+
+// multi row insert (update on conflict) query generator
+const buildInsertConfigQuery = (payload) => {
+  const columns = [
+    'config_id',
+    'pool',
+    'project',
+    'chain',
+    'symbol',
+    // pg-promise is not aware of the db-schema -> we need to make sure that
+    // optional fields are marked and provided with a default value
+    // otherwise the `result` method will fail
+    { name: 'poolMeta', def: null },
+    { name: 'underlyingTokens', def: null },
+    { name: 'rewardTokens', def: null },
+    'url',
+  ];
+  const cs = new pgp.helpers.ColumnSet(columns, { table: tableName });
+  const query =
+    pgp.helpers.insert(payload, cs) +
+    ' ON CONFLICT(config_id) DO UPDATE SET ' +
+    cs.assignColumns({ from: 'EXCLUDED', skip: 'config_id' });
+
+  return query;
+};
+
+module.exports = {
+  getConfigProject,
+  buildInsertConfigQuery,
+  getUrl,
+  getDistinctID,
+  tableName,
+};
diff --git a/src/controllers/medianController.js b/src/controllers/medianController.js
new file mode 100644
index 0000000000..d59bc129f0
--- /dev/null
+++ b/src/controllers/medianController.js
@@ -0,0 +1,51 @@
+const minify = require('pg-minify');
+
+const { pgp, connect } = require('../utils/dbConnection');
+
+const tableName = 'median';
+
+// get full content from median table
+const getMedian = async () => {
+  const conn = await connect();
+
+  const query = minify(
+    `
+    SELECT
+        timestamp,
+        "uniquePools",
+        "medianAPY"
+    FROM
+        $<table:name>
+    `,
+    { compress: true }
+  );
+
+  const response = await conn.query(query, { table: tableName });
+
+  if (!response) {
+    return new AppError(`Couldn't get ${tableName} data`, 404);
+  }
+
+  return response;
+};
+
+// insert
+const insertMedian = async (payload) => {
+  const conn = await connect();
+
+  const columns = ['timestamp', 'uniquePools', 'medianAPY'];
+  const cs = new pgp.helpers.ColumnSet(columns, { table: tableName });
+  const query = pgp.helpers.insert(payload, cs);
+  const response = await conn.result(query);
+
+  if (!response) {
+    return new AppError(`Couldn't insert ${tableName} data`, 404);
+  }
+
+  return response;
+};
+
+module.exports = {
+  getMedian,
+  insertMedian,
+};
diff --git a/src/controllers/statController.js b/src/controllers/statController.js
new file mode 100644
index 0000000000..1852d83b7f
--- /dev/null
+++ b/src/controllers/statController.js
@@ -0,0 +1,75 @@
+const minify = require('pg-minify');
+
+const { pgp, connect } = require('../utils/dbConnection');
+
+const tableName = 'stat';
+
+// get full content from stat table
+const getStat = async () => {
+  const conn = await connect();
+
+  const query = minify(
+    `
+    SELECT
+        "configID",
+        count,
+        "meanAPY",
+        "mean2APY",
+        "meanDR",
+        "mean2DR",
+        "productDR"
+    FROM
+        $<table:name>
+    `,
+    { compress: true }
+  );
+
+  const response = await conn.query(query, { table: tableName });
+
+  if (!response) {
+    return new AppError(`Couldn't get ${tableName} data`, 404);
+  }
+
+  // reformat
+  const responseObject = {};
+  for (const p of response) {
+    const configID = p.configID;
+    responseObject[configID] = { configID, ...p };
+  }
+
+  return responseObject;
+};
+
+// multi row insert (update on conflict)
+const insertStat = async (payload) => {
+  const conn = await connect();
+
+  const columns = [
+    'configID',
+    'count',
+    'meanAPY',
+    'mean2APY',
+    'meanDR',
+    'mean2DR',
+    'productDR',
+  ];
+  const cs = new pgp.helpers.ColumnSet(columns, { table: tableName });
+
+  const query =
+    pgp.helpers.insert(payload, cs) +
+    ' ON CONFLICT("configID") DO UPDATE SET ' +
+    cs.assignColumns({ from: 'EXCLUDED', skip: 'configID' });
+
+  const response = await conn.result(query);
+
+  if (!response) {
+    return new AppError(`Couldn't insert/update ${tableName} data`, 404);
+  }
+
+  return response;
+};
+
+module.exports = {
+  getStat,
+  insertStat,
+};
diff --git a/src/controllers/yieldController.js b/src/controllers/yieldController.js
new file mode 100644
index 0000000000..ae04d02522
--- /dev/null
+++ b/src/controllers/yieldController.js
@@ -0,0 +1,258 @@
+const minify = require('pg-minify');
+
+const AppError = require('../utils/appError');
+const exclude = require('../utils/exclude');
+const { pgp, connect } = require('../utils/dbConnection');
+const {
+  tableName: configTableName,
+} = require('../controllers/configController');
+
+const tableName = 'yield';
+
+// get last DB entry per unique pool (with exclusion; this is what we use in enrichment handler)
+const getYieldFiltered = async () => {
+  const conn = await connect();
+
+  // -- get latest yield row per unique configID (a pool)
+  // -- exclude if tvlUsd is < LB
+  // -- exclude if pool age > 7days
+  // -- join config data
+  const query = minify(
+    `
+    SELECT
+        "configID",
+        timestamp,
+        pool,
+        project,
+        chain,
+        symbol,
+        "poolMeta",
+        "underlyingTokens",
+        "rewardTokens",
+        "tvlUsd",
+        apy,
+        "apyBase",
+        "apyReward"
+    FROM
+        (
+            SELECT
+                DISTINCT ON ("configID") *
+            FROM
+                $<yieldTable:name>
+            WHERE
+                "tvlUsd" >= $<tvlLB>
+                AND timestamp >= NOW() - INTERVAL '$<age> DAY'
+            ORDER BY
+                "configID",
+                timestamp DESC
+        ) AS y
+        INNER JOIN $<configTable:name> AS c ON c.config_id = y."configID"
+    WHERE
+        pool NOT IN ($<excludePools:csv>)
+        AND project NOT IN ($<excludeProjects:csv>)
+  `,
+    { compress: true }
+  );
+
+  const response = await conn.query(query, {
+    tvlLB: exclude.boundaries.tvlUsdUI.lb,
+    age: exclude.boundaries.age,
+    yieldTable: tableName,
+    configTable: configTableName,
+    excludePools: exclude.excludePools,
+    excludeProjects: exclude.excludeAdaptors,
+  });
+
+  if (!response) {
+    return new AppError(`Couldn't get ${tableName} data`, 404);
+  }
+
+  return response;
+};
+
+// get full history of given configID
+const getYieldHistory = async (configID) => {
+  const conn = await connect();
+
+  const query = minify(
+    `
+    SELECT
+        timestamp,
+        "tvlUsd",
+        "apy"
+    FROM
+        $<table:name>
+    WHERE
+        timestamp IN (
+            SELECT
+                max(timestamp)
+            FROM
+                $<table:name>
+            WHERE
+                "configID" = $<configIDValue>
+            GROUP BY
+                (timestamp :: date)
+        )
+        AND "configID" = $<configIDValue>
+    ORDER BY
+        timestamp ASC
+  `,
+    { compress: true }
+  );
+
+  const response = await conn.query(query, {
+    configIDValue: configID,
+    table: tableName,
+  });
+
+  if (!response) {
+    return new AppError(`Couldn't get ${tableName} history data`, 404);
+  }
+
+  return {
+    status: 'success',
+    data: response,
+  };
+};
+
+// get last DB entry per unique pool for a given project (used by adapter handler to check for TVL spikes)
+const getYieldProject = async (project) => {
+  const conn = await connect();
+
+  // -- get latest yield row per unique configID (a pool) for a specific project
+  // -- exclude if tvlUsd is < LB
+  // -- exclude if pool age > 7days
+  // -- join config data
+  const query = minify(
+    `
+    SELECT
+        DISTINCT ON ("configID") "configID",
+        "tvlUsd",
+        timestamp
+    FROM
+        $<yieldTable:name>
+    WHERE
+        "configID" IN (
+            SELECT
+                DISTINCT (config_id)
+            FROM
+                $<configTable:name>
+            WHERE
+                "project" = $<project>
+        )
+        AND "tvlUsd" >= $<tvlLB>
+        AND timestamp >= NOW() - INTERVAL '$<age> DAY'
+    ORDER BY
+        "configID",
+        timestamp DESC
+    `,
+    { compress: true }
+  );
+
+  const response = await conn.query(query, {
+    tvlLB: exclude.boundaries.tvlUsdUI.lb,
+    age: exclude.boundaries.age,
+    project,
+    yieldTable: tableName,
+    configTable: configTableName,
+  });
+
+  if (!response) {
+    return new AppError(`Couldn't get ${tableName} project data`, 404);
+  }
+
+  return response;
+};
+
+// get apy offset value for project/day combo
+const getYieldOffset = async (project, offset) => {
+  const conn = await connect();
+
+  const age = Number(offset);
+  const daysMilliSeconds = age * 60 * 60 * 24 * 1000;
+  const tOffset = Date.now() - daysMilliSeconds;
+
+  // 3 hour window
+  const h = 3;
+  const tWindow = 60 * 60 * h * 1000;
+  const tsLB = new Date(tOffset - tWindow);
+  const tsUB = new Date(tOffset + tWindow);
+
+  const tvlLB = exclude.boundaries.tvlUsdUI.lb;
+
+  // -- retrieve the historical offset data for a every unique pool given an offset day (1d/7d/30d)
+  // -- to calculate pct changes. allow some buffer (+/- 3hs) in case of missing data (via tsLB and tsUB)
+  const query = minify(
+    `
+    SELECT
+        DISTINCT ON ("configID") "configID",
+        apy
+    FROM
+        (
+            SELECT
+                "configID",
+                apy,
+                abs(
+                    extract (
+                        epoch
+                        FROM
+                            timestamp - (NOW() - INTERVAL '$<age> DAY')
+                    )
+                ) AS abs_delta
+            FROM
+                $<table:name> AS y
+                INNER JOIN config AS c ON c.config_id = y."configID"
+            WHERE
+                "tvlUsd" >= $<tvlLB>
+                AND project = $<project>
+                AND timestamp >= $<tsLB>
+                AND timestamp <= $<tsUB>
+        ) AS y
+    ORDER BY
+        "configID",
+        abs_delta DESC
+    `,
+    { compress: true }
+  );
+
+  const response = await conn.query(query, {
+    project,
+    age,
+    tsLB,
+    tsUB,
+    tvlLB,
+    table: tableName,
+  });
+
+  if (!response) {
+    return new AppError(`Couldn't get ${tableName} offset data`, 404);
+  }
+
+  return response;
+};
+
+// multi row insert query generator
+const buildInsertYieldQuery = (payload) => {
+  // note: even though apyBase and apyReward are optional fields
+  // they are both added in the adapter handler to derive final apy.
+  // hence, there is no need to specify optional fields defaults for pg-promise
+  // (in contrast to some fields in `insertConfig`)
+  const columns = [
+    'configID',
+    'timestamp',
+    'tvlUsd',
+    'apy',
+    'apyBase',
+    'apyReward',
+  ];
+  const cs = new pgp.helpers.ColumnSet(columns, { table: tableName });
+  return pgp.helpers.insert(payload, cs);
+};
+
+module.exports = {
+  getYieldFiltered,
+  getYieldHistory,
+  getYieldOffset,
+  getYieldProject,
+  buildInsertYieldQuery,
+};
diff --git a/src/handlers/getChart.js b/src/handlers/getChart.js
index 82c38b29b9..8dc068a78a 100644
--- a/src/handlers/getChart.js
+++ b/src/handlers/getChart.js
@@ -1,85 +1,6 @@
-const dbConnection = require('../utils/dbConnection.js');
-const poolModel = require('../models/pool');
-const AppError = require('../utils/appError');
-const { lambdaResponse } = require('../utils/lambda');
+const { getYieldHistory } = require('../controllers/yieldController');
 
-// retrieve chart data of latest daily tvl and apy values of requested pool
 module.exports.handler = async (event, context) => {
   context.callbackWaitsForEmptyEventLoop = false;
-  const conn = await dbConnection.connect();
-  const M = conn.model(poolModel.modelName);
-
-  const pool = event.pathParameters.pool;
-
-  const aggQuery = [
-    {
-      $match: {
-        pool: pool,
-      },
-    },
-    {
-      $sort: {
-        timestamp: -1,
-      },
-    },
-    {
-      $group: {
-        _id: {
-          $toDate: {
-            $subtract: [
-              { $toLong: '$timestamp' },
-              { $mod: [{ $toLong: '$timestamp' }, 86400000] },
-            ],
-          },
-        },
-        apyBase: {
-          $first: '$apyBase',
-        },
-        apyReward: {
-          $first: '$apyReward',
-        },
-        apy: {
-          $first: '$apy',
-        },
-        tvlUsd: {
-          $first: '$tvlUsd',
-        },
-        timestamp: {
-          $first: '$timestamp',
-        },
-      },
-    },
-    // remove the grouping key
-    {
-      $project: {
-        _id: 0,
-      },
-    },
-    {
-      $sort: {
-        timestamp: 1,
-      },
-    },
-  ];
-
-  const query = M.aggregate(aggQuery);
-  let response = await query;
-
-  response = response.filter(
-    (p) => !(p.apy === null && p.apyBase === null && p.apyReward === null)
-  );
-  response = response.map((p) => ({
-    apy: p.apy ?? p.apyBase + p.apyReward,
-    tvlUsd: p.tvlUsd,
-    timestamp: p.timestamp,
-  }));
-
-  if (!response) {
-    return new AppError("Couldn't retrieve data", 404);
-  }
-
-  return lambdaResponse({
-    status: 'success',
-    data: response,
-  });
+  return await getYieldHistory(event.pathParameters.configID);
 };
diff --git a/src/handlers/getDistinctID.js b/src/handlers/getDistinctID.js
new file mode 100644
index 0000000000..2cd6e38293
--- /dev/null
+++ b/src/handlers/getDistinctID.js
@@ -0,0 +1,6 @@
+const { getDistinctID } = require('../controllers/configController');
+
+module.exports.handler = async (event, context) => {
+  context.callbackWaitsForEmptyEventLoop = false;
+  return await getDistinctID();
+};
diff --git a/src/handlers/getMedian.js b/src/handlers/getMedian.js
index 110a13bea4..7b8fc790c0 100644
--- a/src/handlers/getMedian.js
+++ b/src/handlers/getMedian.js
@@ -1,22 +1,6 @@
-const dbConnection = require('../utils/dbConnection.js');
-const medianModel = require('../models/median');
-const AppError = require('../utils/appError');
+const { getMedian } = require('../controllers/medianController');
 
-// get expanding standard deviation data
 module.exports.handler = async (event, context) => {
   context.callbackWaitsForEmptyEventLoop = false;
-  const conn = await dbConnection.connect();
-  const M = conn.model(medianModel.modelName);
-
-  // return all documents
-  const response = await M.find({}, { _id: 0 }).sort({ timestamp: 1 });
-
-  if (!response) {
-    return new AppError("Couldn't get median data", 404);
-  }
-
-  return {
-    status: 'success',
-    data: response,
-  };
+  return await getMedian();
 };
diff --git a/src/handlers/getPools.js b/src/handlers/getPools.js
deleted file mode 100644
index ad287d7e6e..0000000000
--- a/src/handlers/getPools.js
+++ /dev/null
@@ -1,164 +0,0 @@
-const dbConnection = require('../utils/dbConnection.js');
-const poolModel = require('../models/pool');
-const AppError = require('../utils/appError');
-const exclude = require('../utils/exclude');
-const { lambdaResponse } = require('../utils/lambda.js');
-
-// get latest object of each unique pool
-module.exports.handler = async (event, context) => {
-  context.callbackWaitsForEmptyEventLoop = false;
-  const response = await getLatestPools();
-
-  if (!response) {
-    return new AppError("Couldn't retrieve data", 404);
-  }
-
-  return lambdaResponse({
-    status: 'success',
-    data: response,
-  });
-};
-
-const getLatestPools = async (aggregationQuery = aggQuery) => {
-  const conn = await dbConnection.connect();
-  const M = conn.model(poolModel.modelName);
-
-  const query = M.aggregate(aggregationQuery);
-  let response = await query;
-
-  // remove pools where all 3 fields are null (this and the below project/pool exclusion
-  // could certainly be implemented in the aggregation pipeline but i'm to stupid for mongodb pipelines)
-  response = response.filter(
-    (p) =>
-      !(p.apy === null && p.apyBase === null && p.apyReward === null) &&
-      !exclude.excludeAdaptors.includes(p.project) &&
-      !exclude.excludePools.includes(p.pool)
-  );
-
-  return response;
-};
-
-const baseQuery = [
-  {
-    $sort: {
-      pool: 1,
-      timestamp: -1,
-    },
-  },
-  {
-    $group: {
-      _id: '$pool',
-      chain: {
-        $first: '$chain',
-      },
-      project: {
-        $first: '$project',
-      },
-      symbol: {
-        $first: '$symbol',
-      },
-      poolMeta: {
-        $first: '$poolMeta',
-      },
-      tvlUsd: {
-        $first: '$tvlUsd',
-      },
-      apyBase: {
-        $first: '$apyBase',
-      },
-      apyReward: {
-        $first: '$apyReward',
-      },
-      apy: {
-        $first: '$apy',
-      },
-      timestamp: {
-        $first: '$timestamp',
-      },
-      rewardTokens: {
-        $first: '$rewardTokens',
-      },
-      underlyingTokens: {
-        $first: '$underlyingTokens',
-      },
-    },
-  },
-  // sort on tvl desc
-  {
-    $sort: {
-      tvlUsd: -1,
-    },
-  },
-  // adding "back" the pool field, the grouping key is only available as _id
-  {
-    $addFields: {
-      pool: '$_id',
-    },
-  },
-  // remove the _id field
-  {
-    $project: {
-      _id: 0,
-    },
-  },
-];
-
-// remove pools based on exclusion values
-const aggQuery = [
-  ...baseQuery,
-  {
-    $match: {
-      tvlUsd: {
-        $gte: exclude.boundaries.tvlUsdUI.lb,
-        $lte: exclude.boundaries.tvlUsdUI.ub,
-      },
-      // lte not enough, would remove null values,
-      // hence why the or statement to keep pools with apy === null
-      $or: [
-        {
-          apy: {
-            $gte: exclude.boundaries.apy.lb,
-            $lte: exclude.boundaries.apy.ub,
-          },
-        },
-        { apy: null },
-      ],
-      // remove pools which haven't been updated for >7days;
-      // some pools might just not be included anymore in the adaptor output,
-      // so instead of showing the latest object of that pool on the frontend
-      timestamp: {
-        $gte: new Date(new Date() - 60 * 60 * 24 * 7 * 1000),
-      },
-    },
-  },
-];
-
-// remove pools based on exclusion values
-const aggQueryMedian = [
-  ...baseQuery,
-  {
-    $match: {
-      // lte not enough, would remove null values,
-      // hence why the or statement to keep pools with apy === null
-      $or: [
-        {
-          apy: {
-            $gte: 0,
-            $lte: 1e6,
-          },
-        },
-        { apy: null },
-      ],
-      // remove pools which haven't been updated for >7days;
-      // some pools might just not be included anymore in the adaptor output,
-      // so instead of showing the latest object of that pool on the frontend
-      timestamp: {
-        $gte: new Date(new Date() - 60 * 60 * 24 * 7 * 1000),
-      },
-    },
-  },
-];
-
-module.exports.aggQuery = aggQuery;
-module.exports.aggQueryMedian = aggQueryMedian;
-module.exports.getLatestPools = getLatestPools;
diff --git a/src/handlers/getPoolsEnriched.js b/src/handlers/getPoolsEnriched.js
index 38af4a7daa..aa03713375 100644
--- a/src/handlers/getPoolsEnriched.js
+++ b/src/handlers/getPoolsEnriched.js
@@ -28,6 +28,7 @@ const buildPoolsEnriched = async (queryString) => {
     'apy',
     'rewardTokens',
     'pool',
+    'configID',
     'apyPct1D',
     'apyPct7D',
     'apyPct30D',
diff --git a/src/handlers/getUrl.js b/src/handlers/getUrl.js
new file mode 100644
index 0000000000..7236a56222
--- /dev/null
+++ b/src/handlers/getUrl.js
@@ -0,0 +1,6 @@
+const { getUrl } = require('../controllers/configController');
+
+module.exports.handler = async (event, context) => {
+  context.callbackWaitsForEmptyEventLoop = false;
+  return await getUrl();
+};
diff --git a/src/handlers/getUrls.js b/src/handlers/getUrls.js
deleted file mode 100644
index dc837dea16..0000000000
--- a/src/handlers/getUrls.js
+++ /dev/null
@@ -1,23 +0,0 @@
-const dbConnection = require('../utils/dbConnection.js');
-const urlModel = require('../models/url');
-const AppError = require('../utils/appError');
-
-// get expanding standard deviation data
-module.exports.handler = async (event, context) => {
-  context.callbackWaitsForEmptyEventLoop = false;
-  const conn = await dbConnection.connect();
-  const M = conn.model(urlModel.modelName);
-
-  // return all documents
-  const response = await M.find({}, { _id: 0 });
-
-  if (!response) {
-    return new AppError("Couldn't get url data", 404);
-  }
-
-  const out = {};
-  for (const e of response) {
-    out[e.project] = e.url;
-  }
-  return out;
-};
diff --git a/src/handlers/triggerAdaptor.js b/src/handlers/triggerAdaptor.js
index 08a8e7756f..f7a79b395b 100644
--- a/src/handlers/triggerAdaptor.js
+++ b/src/handlers/triggerAdaptor.js
@@ -1,13 +1,20 @@
+const crypto = require('crypto');
+
 const superagent = require('superagent');
 
 const utils = require('../adaptors/utils');
-const poolModel = require('../models/pool');
-const urlModel = require('../models/url');
-const { aggQuery } = require('./getPools');
 const AppError = require('../utils/appError');
 const exclude = require('../utils/exclude');
-const dbConnection = require('../utils/dbConnection.js');
 const { sendMessage } = require('../utils/discordWebhook');
+const { connect } = require('../utils/dbConnection');
+const {
+  getYieldProject,
+  buildInsertYieldQuery,
+} = require('../controllers/yieldController');
+const {
+  getConfigProject,
+  buildInsertConfigQuery,
+} = require('../controllers/configController');
 
 module.exports.handler = async (event, context) => {
   context.callbackWaitsForEmptyEventLoop = false;
@@ -38,14 +45,16 @@ module.exports.handler = async (event, context) => {
 
 // func for running adaptor, storing result to db
 const main = async (body) => {
-  // run adaptor
+  // ---------- run adaptor
   console.log(body.adaptor);
   const project = require(`../adaptors/${body.adaptor}`);
   let data = await project.apy();
 
+  // ---------- prepare prior insert
   // remove potential null/undefined objects in array
   data = data.filter((p) => p);
 
+  // cast dtypes
   // even though we have tests for datatypes, will need to guard against sudden changes
   // from api responses in terms of data types (eg have seen this on lido stETH) which went from
   // number to string. so in order for the below filters to work proplerly we need to guarantee that the
@@ -85,7 +94,7 @@ const main = async (body) => {
     apy: p.apy ?? p.apyBase + p.apyReward,
   }));
 
-  // remove pools pools based on apy boundaries
+  // remove pools based on apy boundaries
   data = data.filter(
     (p) =>
       p.apy !== null &&
@@ -96,35 +105,47 @@ const main = async (body) => {
   // remove exclusion pools
   data = data.filter((p) => !exclude.excludePools.includes(p.pool));
 
-  // add the timestamp field
-  // will be rounded to the nearest hour
-  // eg 2022-04-06T10:00:00.000Z
-  const timestamp = new Date(
-    Math.floor(Date.now() / 1000 / 60 / 60) * 60 * 60 * 1000
-  );
-  data = data.map((p) => ({ ...p, timestamp: timestamp }));
-
-  // format chain in case it was skipped in adapter.
-  // round tvlUsd to integer and apy fields to n-dec
-  const dec = 5;
-  data = data.map((p) => ({
-    ...p,
-    chain: utils.formatChain(p.chain),
-    symbol: utils.formatSymbol(p.symbol),
-    tvlUsd: Math.round(p.tvlUsd),
-    apy: +p.apy.toFixed(dec),
-    apyBase: p.apyBase !== null ? +p.apyBase.toFixed(dec) : p.apyBase,
-    apyReward: p.apyReward !== null ? +p.apyReward.toFixed(dec) : p.apyReward,
-  }));
+  // for PK, FK, read data from config table
+  const config = await getConfigProject(body.adaptor);
+  const mapping = {};
+  for (const c of config) {
+    // the pool fields are used to map to the config_id values from the config table
+    mapping[c.pool] = c.config_id;
+  }
 
+  // we round numerical fields to 5 decimals after the comma
+  const precision = 5;
+  const timestamp = new Date(Date.now());
+  data = data.map((p) => {
+    // if pool not in mapping -> its a new pool -> create a new uuid, else keep existing one
+    const id = mapping[p.pool] ?? crypto.randomUUID();
+    return {
+      ...p,
+      config_id: id, // config PK field
+      configID: id, // yield FK field referencing config_id in config
+      chain: utils.formatChain(p.chain), // format chain and symbol in case it was skipped in adapter
+      symbol: utils.formatSymbol(p.symbol),
+      tvlUsd: Math.round(p.tvlUsd), // round tvlUsd to integer and apy fields to n-dec
+      apy: +p.apy.toFixed(precision), // round apy fields
+      apyBase: p.apyBase !== null ? +p.apyBase.toFixed(precision) : p.apyBase,
+      apyReward:
+        p.apyReward !== null ? +p.apyReward.toFixed(precision) : p.apyReward,
+      url: project.url,
+      timestamp,
+    };
+  });
+
+  // ---------- tvl spike check
+  // prior insert, we run a tvl check to make sure
+  // that there haven't been any sudden spikes in tvl compared to the previous insert;
   // insert only if tvl conditions are ok:
   // if tvl
   // - has increased >5x since the last hourly update
   // - and has been updated in the last 5 hours
   // -> block update
 
-  // load current project array
-  const dataInitial = await getProject(body.adaptor);
+  // load last entries for each pool for this sepcific adapter
+  const dataInitial = await getYieldProject(body.adaptor);
 
   const dataDB = [];
   const nHours = 5;
@@ -132,7 +153,7 @@ const main = async (body) => {
   const timedeltaLimit = 60 * 60 * nHours * 1000;
   const droppedPools = [];
   for (const p of data) {
-    const x = dataInitial.find((e) => e.pool === p.pool);
+    const x = dataInitial.find((e) => e.configID === p.configID);
     if (x === undefined) {
       dataDB.push(p);
       continue;
@@ -146,38 +167,32 @@ const main = async (body) => {
     ) {
       console.log(`removing pool ${p.pool}`);
       droppedPools.push({
-        pool: p.pool,
+        configID: p.configID,
         symbol: p.symbol,
         project: p.project,
         tvlUsd: p.tvlUsd,
         tvlUsdDB: x.tvlUsd,
         tvlMultiplier: p.tvlUsd / x.tvlUsd,
-        lastUpdate: x.timestamp,
-        hoursUntilNextUpdate: 6 - timedelta / 1000 / 60 / 60,
       });
       continue;
     }
     dataDB.push(p);
   }
+  // return if dataDB is empty;
+  if (!dataDB.length) return;
 
-  if (
-    !dataInitial.length &&
-    dataDB.filter(({ tvlUsd }) => tvlUsd > 10000).length
-  ) {
-    const message = `Project ${body.adaptor} yields have been added`;
-    await sendMessage(message, process.env.NEW_YIELDS_WEBHOOK);
-  }
-
+  // send msg to discord if tvl spikes
   const delta = data.length - dataDB.length;
   if (delta > 0) {
     console.log(`removed ${delta} sample(s) prior to insert`);
     // send discord message
+    // we limit sending msg only if the pool's last tvlUsd value is >= $500k
     const filteredPools = droppedPools.filter((p) => p.tvlUsdDB >= 5e5);
     if (filteredPools.length) {
       const message = filteredPools
         .map(
           (p) =>
-            `Project: ${p.project} Pool: ${p.pool} Symbol: ${
+            `configID: ${p.configID} Project: ${p.project} Symbol: ${
               p.symbol
             } TVL: from ${p.tvlUsdDB.toFixed()} to ${p.tvlUsd.toFixed()} (${p.tvlMultiplier.toFixed(
               2
@@ -188,76 +203,49 @@ const main = async (body) => {
     }
   }
 
-  const response = await insertPools(dataDB);
-  console.log(response);
-
-  // update url
-  if (project.url) {
-    console.log('insert/update url');
-    await updateUrl(body.adaptor, project.url);
-  }
-};
-
-const insertPools = async (payload) => {
-  const conn = await dbConnection.connect();
-  const M = conn.model(poolModel.modelName);
-
-  const response = await M.insertMany(payload);
-
-  if (!response) {
-    return new AppError("Couldn't insert data", 404);
+  // ---------- discord bot for newly added projects
+  if (
+    !dataInitial.length &&
+    dataDB.filter(({ tvlUsd }) => tvlUsd > exclude.boundaries.tvlUsdUI.lb)
+      .length
+  ) {
+    const message = `Project ${body.adaptor} yields have been added`;
+    await sendMessage(message, process.env.NEW_YIELDS_WEBHOOK);
   }
 
-  return {
-    status: 'success',
-    response: `Inserted ${payload.length} samples`,
-  };
-};
-
-module.exports.insertPools = insertPools;
-
-// get latest object of each unique pool
-const getProject = async (project) => {
-  const conn = await dbConnection.connect();
-  const M = conn.model(poolModel.modelName);
-
-  // add project field to match obj
-  aggQuery.slice(-1)[0]['$match']['project'] = project;
-
-  const query = M.aggregate(aggQuery);
-  let response = await query;
-
-  // remove pools where all 3 fields are null (this and the below project/pool exclusion
-  // could certainly be implemented in the aggregation pipeline but i'm to stupid for mongodb pipelines)
-  response = response.filter(
-    (p) =>
-      !(p.apy === null && p.apyBase === null && p.apyReward === null) &&
-      !exclude.excludePools.includes(p.pool)
-  );
-
-  return response;
+  // ---------- DB INSERT
+  const response = await insertConfigYieldTransaction(dataDB);
+  console.log(response);
 };
 
-const updateUrl = async (adapter, url) => {
-  const conn = await dbConnection.connect();
-  const M = conn.model(urlModel.modelName);
-
-  const response = await M.bulkWrite([
-    {
-      updateOne: {
-        filter: { project: adapter },
-        update: {
-          $set: {
-            url: url,
-          },
-        },
-        upsert: true,
-      },
-    },
-  ]);
-
-  if (!response) {
-    return new AppError("Couldn't update data", 404);
-  }
-  console.log(response);
+// --------- transaction query
+const insertConfigYieldTransaction = async (payload) => {
+  const conn = await connect();
+
+  // build queries
+  const configQ = buildInsertConfigQuery(payload);
+  const yieldQ = buildInsertYieldQuery(payload);
+
+  return conn
+    .tx(async (t) => {
+      // sequence of queries:
+      // 1. config: insert/update
+      const q1 = await t.result(configQ);
+      // 2. yield: insert
+      const q2 = await t.result(yieldQ);
+
+      return [q1, q2];
+    })
+    .then((response) => {
+      // success, COMMIT was executed
+      return {
+        status: 'success',
+        data: response,
+      };
+    })
+    .catch((err) => {
+      // failure, ROLLBACK was executed
+      console.log(err);
+      return new AppError('ConfigYield Transaction failed, rolling back', 404);
+    });
 };
diff --git a/src/handlers/triggerEnrichment.js b/src/handlers/triggerEnrichment.js
index bf1bc59ec5..8c170f0be8 100644
--- a/src/handlers/triggerEnrichment.js
+++ b/src/handlers/triggerEnrichment.js
@@ -2,12 +2,13 @@ const superagent = require('superagent');
 const ss = require('simple-statistics');
 
 const utils = require('../utils/s3');
-const { getLatestPools } = require('./getPools');
-const { getStats } = require('./triggerStats');
+const {
+  getYieldFiltered,
+  getYieldOffset,
+} = require('../controllers/yieldController');
+const { getStat } = require('../controllers/statController');
 const { buildPoolsEnriched } = require('./getPoolsEnriched');
 const { welfordUpdate } = require('../utils/welford');
-const dbConnection = require('../utils/dbConnection.js');
-const poolModel = require('../models/pool');
 
 module.exports.handler = async (event, context) => {
   await main();
@@ -16,21 +17,13 @@ module.exports.handler = async (event, context) => {
 const main = async () => {
   console.log('START DATA ENRICHMENT');
 
-  const urlBase = process.env.APIG_URL;
-  console.log('\n1. getting pools...');
-  let data = await getLatestPools();
+  // ---------- get lastet unique pool
+  console.log('\ngetting pools');
+  const data = await getYieldFiltered();
 
-  // derive final apy field via:
-  data = data.map((p) => ({
-    ...p,
-    apy: p.apy ?? p.apyBase + p.apyReward,
-  }));
-  // remove any potential null values
-  data = data.filter((p) => p.apy !== null);
-
-  ////// 2 add pct-change columns
+  // ---------- add additional fields
   // for each project we get 3 offsets (1D, 7D, 30D) and calculate absolute apy pct-change
-  console.log('\n2. adding pct-change fields...');
+  console.log('\nadding pct-change fields');
   const days = ['1', '7', '30'];
   let dataEnriched = [];
   const failed = [];
@@ -42,14 +35,14 @@ const main = async () => {
     // api calls
     const promises = [];
     for (let i = 0; i < days.length; i++) {
-      promises.push(getOffsets(adaptor, days[i]));
+      promises.push(getYieldOffset(adaptor, days[i]));
     }
     try {
       const offsets = await Promise.all(promises);
       // calculate pct change for each pool
       dataEnriched = [
         ...dataEnriched,
-        ...dataProject.map((pool) => enrich(pool, days, offsets)),
+        ...dataProject.map((p) => enrich(p, days, offsets)),
       ];
     } catch (err) {
       console.log(err);
@@ -63,7 +56,8 @@ const main = async () => {
     }
   }
 
-  console.log('\n3. adding additional pool info fields');
+  // add info about stablecoin, exposure etc.
+  console.log('\nadding additional pool info fields');
   const stablecoins = (
     await superagent.get(
       'https://stablecoins.llama.fi/stablecoins?includePrices=true'
@@ -77,20 +71,21 @@ const main = async () => {
   ).body.protocols;
   dataEnriched = dataEnriched.map((el) => addPoolInfo(el, stablecoins, config));
 
+  // add ML and overview plot fields
   // expanding mean, expanding standard deviation,
   // geometric mean and standard deviation (of daily returns)
-  console.log('\n4. adding stats columns');
+  console.log('\nadding stats columns');
   const T = 365;
   dataEnriched = dataEnriched.map((p) => ({
     ...p,
     return: (1 + p.apy / 100) ** (1 / T) - 1,
   }));
 
-  const dataStats = await getStats();
-  const statsColumns = welfordUpdate(dataEnriched, dataStats);
+  const dataStat = await getStat();
+  const statColumns = welfordUpdate(dataEnriched, dataStat);
   // add columns to dataEnriched
   for (const p of dataEnriched) {
-    const x = statsColumns.find((i) => i.pool === p.pool);
+    const x = statColumns.find((i) => i.configID === p.configID);
     // create columns
     // a) ML section
     p['count'] = x.count;
@@ -100,7 +95,7 @@ const main = async () => {
     // b) scatterchart section
     p['mu'] = (x.productDR ** (T / x.count) - 1) * 100;
     p['sigma'] =
-      x.count < 2 ? null : Math.sqrt((x.mean2DR / (x.count - 1)) * T) * 100;
+      x.count < 2 ? 0 : Math.sqrt((x.mean2DR / (x.count - 1)) * T) * 100;
   }
   // mark pools as outliers if outside boundary (let user filter via toggle on frontend)
   const columns = ['mu', 'sigma'];
@@ -113,7 +108,7 @@ const main = async () => {
     const distance = 1.5;
     const x_lb = x_median - distance * x_iqr;
     const x_ub = x_median + distance * x_iqr;
-    outlierBoundaries[col] = { lb: x_lb, ub: x_ub };
+    outlierBoundaries[col] = { lb: Math.max(0, x_lb), ub: x_ub };
   }
   // before adding the new outlier field,
   // i'm setting sigma to 0 instead of keeping it to null
@@ -133,13 +128,13 @@ const main = async () => {
       p['sigma'] > outlierBoundaries['sigma']['ub'],
   }));
 
-  console.log('\n5. adding apy runway prediction');
+  // add ML predictions
+  console.log('\nadding apy runway prediction');
   // load categorical feature mappings
   const modelMappings = await utils.readFromS3(
     'llama-apy-prediction-prod',
     'mlmodelartefacts/categorical_feature_mapping_2022_05_20.json'
   );
-  console.log(modelMappings);
   for (const el of dataEnriched) {
     project_fact = modelMappings.project_factorized[el.project];
     chain_fact = modelMappings.chain_factorized[el.chain];
@@ -150,9 +145,6 @@ const main = async () => {
     el.chain_factorized = chain_fact === undefined ? -1 : chain_fact;
   }
 
-  // remove any potential objects which have null value on mean
-  dataEnriched = dataEnriched.filter((el) => el.apyMeanExpanding !== null);
-
   // impute null values on apyStdExpanding (this will be null whenever we have pools with less than 2
   // samples, eg. whenever a new pool project is listed or an existing project adds new pools
   dataEnriched = dataEnriched.map((p) => ({
@@ -187,8 +179,7 @@ const main = async () => {
   for (const [i, el] of dataEnriched.entries()) {
     // for certain conditions we don't want to show predictions on the frontend
     // 1. apy === 0
-    // 2. project === 'anchor' ("stable" apy, prediction would be confusing)
-    // 3. less than 7 datapoints per pool
+    // 2. less than 7 datapoints per pool
     // (low confidence in the model predictions backward looking features (mean and std)
     // are undeveloped and might skew prediction results)
 
@@ -198,8 +189,7 @@ const main = async () => {
       1: 'Stable/Up',
     };
 
-    const nullifyPredictionsCond =
-      el.apy <= 0 || el.count < 7 || el.project === 'anchor';
+    const nullifyPredictionsCond = el.apy <= 0 || el.count < 7;
     const cond = y_pred[i][0] >= y_pred[i][1];
     // (we add label + probabalilty of the class with the larger probability)
     const predictedClass = nullifyPredictionsCond
@@ -246,28 +236,27 @@ const main = async () => {
   }
 
   // round numbers
-  const precision = 3;
+  const precision = 5;
   dataEnriched = dataEnriched.map((p) =>
     Object.fromEntries(
       Object.entries(p).map(([k, v]) => [
         k,
-        typeof v === 'number' ? parseFloat(v.toFixed(precision)) : v,
+        typeof v === 'number' ? +v.toFixed(precision) : v,
       ])
     )
   );
 
-  console.log('\n6. saving data to S3');
+  // ---------- save output to S3
+  console.log('\nsaving data to S3');
   console.log('nb of pools', dataEnriched.length);
   const bucket = process.env.BUCKET_DATA;
   const key = 'enriched/dataEnriched.json';
   dataEnriched = dataEnriched.sort((a, b) => b.tvlUsd - a.tvlUsd);
   await utils.writeToS3(bucket, key, dataEnriched);
 
-  // also save to other "folder" where we keep track of daily predictions (this will be used
-  // for ML dashboard performance monitoring)
-  const timestamp = new Date(
-    Math.floor(Date.now() / 1000 / 60 / 60) * 60 * 60 * 1000
-  ).toISOString();
+  // store ML predictions so we can keep track of model performance
+  const f = 1000 * 60 * 60;
+  const timestamp = new Date(Math.floor(Date.now() / f) * f).toISOString();
 
   if (timestamp.split('T')[1] === '23:00:00.000Z') {
     const keyPredictions = `predictions-hourly/dataEnriched_${timestamp}.json`;
@@ -287,7 +276,7 @@ const enrich = (pool, days, offsets) => {
   const poolC = { ...pool };
   for (let d = 0; d < days.length; d++) {
     let X = offsets[d];
-    const apyOffset = X.find((x) => x.pool === poolC.pool)?.apy;
+    const apyOffset = X.find((x) => x.configID === poolC.configID)?.apy;
     poolC[`apyPct${days[d]}D`] = poolC['apy'] - apyOffset;
   }
   return poolC;
@@ -410,76 +399,3 @@ const addPoolInfo = (el, stablecoins, config) => {
 
   return el;
 };
-
-// retrieve the historical offset data for a project and a given offset day (1d/7d/30d)
-// to calculate pct changes. allow some buffer (+/- 3hs) in case of missing data
-const getOffsets = async (project, days) => {
-  const conn = await dbConnection.connect();
-  const M = conn.model(poolModel.modelName);
-
-  const daysMilliSeconds = Number(days) * 60 * 60 * 24 * 1000;
-  const tOffset = Date.now() - daysMilliSeconds;
-
-  // 3 hour window
-  const h = 3;
-  const tWindow = 60 * 60 * h * 1000;
-  // mongoose query requires Date
-  const recent = new Date(tOffset + tWindow);
-  const oldest = new Date(tOffset - tWindow);
-
-  // pull only data >= 10k usd in tvl (we won't show smaller pools on the frontend)
-  const tvlUsdLB = 1e4;
-
-  const aggQuery = [
-    // filter
-    {
-      $match: {
-        project: project,
-        timestamp: {
-          $gte: oldest,
-          $lte: recent,
-        },
-        tvlUsd: { $gte: tvlUsdLB },
-      },
-    },
-    // calc time distances from exact offset
-    {
-      $addFields: {
-        time_dist: {
-          $abs: [{ $subtract: ['$timestamp', new Date(tOffset)] }],
-        },
-      },
-    },
-    // sort ascending (the smallest distance are the closest data points to the exact offset)
-    {
-      $sort: { time_dist: 1 },
-    },
-    // group by id, and return the first sample of apy
-    {
-      $group: {
-        _id: '$pool',
-        apy: {
-          $first: '$apy',
-        },
-      },
-    },
-    // adding "back" the pool field, the grouping key is only available as _id
-    {
-      $addFields: {
-        pool: '$_id',
-      },
-    },
-    // remove the grouping key
-    {
-      $project: {
-        _id: 0,
-      },
-    },
-  ];
-  const query = M.aggregate(aggQuery);
-
-  // run query on db server
-  const response = await query;
-
-  return response;
-};
diff --git a/src/handlers/triggerEntrypoint.js b/src/handlers/triggerEntrypoint.js
index 5eaea69f04..d8b5dcf697 100644
--- a/src/handlers/triggerEntrypoint.js
+++ b/src/handlers/triggerEntrypoint.js
@@ -1,4 +1,5 @@
 const SQS = require('aws-sdk/clients/sqs');
+
 const { excludeAdaptors } = require('../utils/exclude');
 
 module.exports.handler = async () => {
diff --git a/src/handlers/triggerMedian.js b/src/handlers/triggerMedian.js
index 80d07bb322..956b56cf0c 100644
--- a/src/handlers/triggerMedian.js
+++ b/src/handlers/triggerMedian.js
@@ -1,30 +1,17 @@
 const ss = require('simple-statistics');
 
-const { readFromS3 } = require('../utils/s3');
-const { getLatestPools, aggQueryMedian } = require('./getPools');
-const medianModel = require('../models/median');
-const AppError = require('../utils/appError');
-const dbConnection = require('../utils/dbConnection.js');
+const { getYieldFiltered } = require('../controllers/yieldController');
+const { insertMedian } = require('../controllers/medianController');
 
 module.exports.handler = async () => {
   await main();
 };
 
 const main = async () => {
-  // read from internal s3 bucket which also includes the pools timestamp which we use to exclude
-  // any pool which has not been updated on that particular day (eg adapter failed during the whole day, or pool might be stale etc.)
-  // [checked, and only affect a small nb of pools (< 3%)]
-  // removing these pools gives an unbiased median calculatiion for that particular day, otherwise
-  let pools = await getLatestPools(aggQueryMedian);
-
-  // derive final apy field via:
-  pools = pools.map((p) => ({
-    ...p,
-    apy: p.apy ?? p.apyBase + p.apyReward,
-  }));
-  // remove any potential null values
-  pools = pools.filter((p) => p.apy !== null);
+  let pools = await getYieldFiltered();
 
+  // include only pools which we have updated on that day,
+  // otherwise median calc for that day would include values from yst up to 7days ago
   console.log('removing stale pools...');
   console.log('prior filter', pools.length);
   const maxTimestamp = Math.max(...pools.map((p) => p.timestamp));
@@ -35,45 +22,11 @@ const main = async () => {
 
   const payload = [
     {
-      timestamp: new Date(
-        Math.floor(Date.now() / 1000 / 60 / 60) * 60 * 60 * 1000
-      ),
-      medianAPY: ss.median(pools.map((p) => p.apy)),
+      timestamp: new Date(),
+      medianAPY: +ss.median(pools.map((p) => p.apy)).toFixed(5),
       uniquePools: new Set(pools.map((p) => p.pool)).size,
     },
   ];
   const response = await insertMedian(payload);
   console.log(response);
 };
-
-const insertMedian = async (payload) => {
-  const conn = await dbConnection.connect();
-  const M = conn.model(medianModel.modelName);
-
-  const bulkOperations = [];
-  for (const el of payload) {
-    bulkOperations.push({
-      updateOne: {
-        // need to provide a filter value, otherwise this won't work
-        filter: { timestamp: 0 },
-        update: {
-          $set: el,
-        },
-        upsert: true,
-      },
-    });
-  }
-
-  const response = await M.bulkWrite(bulkOperations);
-
-  if (!response) {
-    return new AppError("Couldn't update data", 404);
-  }
-
-  return {
-    status: 'success',
-    response,
-  };
-};
-
-module.exports.insertMedian = insertMedian;
diff --git a/src/handlers/triggerStat.js b/src/handlers/triggerStat.js
new file mode 100644
index 0000000000..62bdcadfa9
--- /dev/null
+++ b/src/handlers/triggerStat.js
@@ -0,0 +1,26 @@
+const { welfordUpdate } = require('../utils/welford');
+const { getYieldFiltered } = require('../controllers/yieldController');
+const { getStat, insertStat } = require('../controllers/statController');
+
+module.exports.handler = async (event, context) => {
+  await main();
+};
+
+// we trigger this once per day at midnight, reason: the stat table was boostrapped on
+// daily values, and the ML relying on those features was trained on daily values too.
+// so i want to keep things consistent (even though it shouldnt be a big difference, at least
+// for the majority of pools)
+const main = async () => {
+  let data = await getYieldFiltered();
+  const T = 365;
+  // transform raw apy to return field (required for geometric mean)
+  data = data.map((p) => ({
+    ...p,
+    return: (1 + p.apy / 100) ** (1 / T) - 1,
+  }));
+
+  const dataStat = await getStat();
+  const payload = welfordUpdate(data, dataStat);
+  const response = await insertStat(payload);
+  console.log(response);
+};
diff --git a/src/handlers/triggerStats.js b/src/handlers/triggerStats.js
deleted file mode 100644
index e863d24676..0000000000
--- a/src/handlers/triggerStats.js
+++ /dev/null
@@ -1,79 +0,0 @@
-const statModel = require('../models/stat');
-const AppError = require('../utils/appError');
-const { welfordUpdate } = require('../utils/welford');
-const dbConnection = require('../utils/dbConnection.js');
-const { buildPoolsEnriched } = require('./getPoolsEnriched');
-
-module.exports.handler = async (event, context) => {
-  await main();
-};
-
-const main = async () => {
-  const urlBase = process.env.APIG_URL;
-  let dataEnriched = await buildPoolsEnriched(undefined);
-  const T = 365;
-  // transform raw apy to return field (required for geometric mean)
-  dataEnriched = dataEnriched.map((p) => ({
-    ...p,
-    return: (1 + p.apy / 100) ** (1 / T) - 1,
-  }));
-
-  const dataStats = await getStats();
-  const payload = welfordUpdate(dataEnriched, dataStats);
-  const response = await insertStats(payload);
-  console.log(response);
-};
-
-const insertStats = async (payload) => {
-  const conn = await dbConnection.connect();
-  const M = conn.model(statModel.modelName);
-
-  const bulkOperations = [];
-  for (const el of payload) {
-    bulkOperations.push({
-      updateOne: {
-        filter: { pool: el.pool },
-        update: {
-          $set: {
-            count: el.count,
-            meanAPY: el.meanAPY,
-            mean2APY: el.mean2APY,
-            meanDR: el.meanDR,
-            mean2DR: el.mean2DR,
-            productDR: el.productDR,
-          },
-        },
-        upsert: true,
-      },
-    });
-  }
-  const response = await M.bulkWrite(bulkOperations);
-
-  if (!response) {
-    return new AppError("Couldn't update data", 404);
-  }
-
-  return {
-    status: 'success',
-    response,
-  };
-};
-
-// get expanding standard deviation data
-const getStats = async () => {
-  const conn = await dbConnection.connect();
-  const M = conn.model(statModel.modelName);
-
-  // return all documents
-  const x = await M.find({}, { _id: 0, createdAt: 0, updatedAt: 0 });
-  const response = {};
-  for (let d of x) {
-    response[d.pool] = d;
-  }
-
-  return response;
-};
-
-// for boostrapStatsTable.js
-module.exports.insertStats = insertStats;
-module.exports.getStats = getStats;
diff --git a/src/models/median.js b/src/models/median.js
deleted file mode 100644
index e1a6766e50..0000000000
--- a/src/models/median.js
+++ /dev/null
@@ -1,27 +0,0 @@
-const mongoose = require('mongoose');
-
-const medianSchema = new mongoose.Schema(
-  {
-    timestamp: {
-      type: Date,
-      required: [true, 'A pool must have a timestamp field'],
-    },
-    medianAPY: {
-      type: Number,
-      required: [true, 'A pool must have a medianAPY field'],
-    },
-    uniquePools: {
-      type: Number,
-      default: [true, 'A pool must have a uniquePools field'],
-    },
-  },
-  { versionKey: false }
-);
-
-medianSchema.index({ timestamp: 1 });
-
-const nameModel = 'Median';
-const nameCollection = nameModel.toLowerCase();
-const medianModel = mongoose.model(nameModel, medianSchema, nameCollection);
-
-module.exports = medianModel;
diff --git a/src/models/pool.js b/src/models/pool.js
deleted file mode 100644
index 18e264f14d..0000000000
--- a/src/models/pool.js
+++ /dev/null
@@ -1,73 +0,0 @@
-const mongoose = require('mongoose');
-
-const poolSchema = new mongoose.Schema(
-  {
-    pool: {
-      type: String,
-      required: [true, 'A pool must have an pool field'],
-      trim: true,
-    },
-    underlyingTokens: {
-      type: [String],
-    },
-    chain: {
-      type: String,
-      required: [true, 'A pool must have a chain field'],
-      trim: true,
-    },
-    project: {
-      type: String,
-      required: [true, 'A pool must have a project field'],
-      trim: true,
-    },
-    poolMeta: {
-      type: String,
-      trim: true,
-    },
-    symbol: {
-      type: String,
-      required: [true, 'A pool must have a symbol field'],
-      trim: true,
-    },
-    tvlUsd: {
-      type: Number,
-      required: [true, 'A pool must have a tvlUsd field'],
-    },
-    apyBase: {
-      type: Number,
-      default: null,
-    },
-    apyReward: {
-      type: Number,
-      default: null,
-    },
-    apy: {
-      type: Number,
-      required: [true, 'A pool must have an apy field'],
-    },
-    rewardTokens: {
-      type: [String],
-    },
-    // for historical stuff in db, inserted that field via:
-    // db.pools.updateMany({}, [{$set: {"timestamp": {$dateTrunc: {date: "$createdAt", unit: "hour"}}}}])
-    timestamp: {
-      type: Date,
-      required: [true, 'A pool must have a timestamp field'],
-    },
-  },
-  // i remove __v versionkey created by mongoose
-  { versionKey: false }
-);
-
-// compound indices speed up queries significantly
-// /latest -> ~50ms
-// /chart/pool -> ~1ms
-// /offsets/project/day -> ~1ms
-poolSchema.index({ pool: 1, timestamp: -1 });
-poolSchema.index({ project: 1, timestamp: -1 });
-
-const nameModel = 'Pools';
-const nameCollection = nameModel.toLowerCase();
-const poolModel = mongoose.model(nameModel, poolSchema, nameCollection);
-
-module.exports = poolModel;
diff --git a/src/models/stat.js b/src/models/stat.js
deleted file mode 100644
index 68416f791f..0000000000
--- a/src/models/stat.js
+++ /dev/null
@@ -1,46 +0,0 @@
-const mongoose = require('mongoose');
-
-const statSchema = new mongoose.Schema(
-  {
-    pool: {
-      type: String,
-      required: [true, 'A pool must have an pool field'],
-      trim: true,
-    },
-    count: {
-      type: Number,
-      default: null,
-    },
-    // meanAPY and mean2APY are used for calculating mu and sigma of apy series for the ML algorithm
-    meanAPY: {
-      type: Number,
-      default: null,
-    },
-    mean2APY: {
-      type: Number,
-      default: null,
-    },
-    // meanDR, mean2DR and productDR are used for calculating mu and sigma of daily return (DR) series for the scatterchart
-    meanDR: {
-      type: Number,
-      default: null,
-    },
-    mean2DR: {
-      type: Number,
-      default: null,
-    },
-    productDR: {
-      type: Number,
-      default: null,
-    },
-  },
-  { timestamps: true }
-);
-
-statSchema.index({ pool: 1 });
-
-const nameModel = 'Stats';
-const nameCollection = nameModel.toLowerCase();
-const statModel = mongoose.model(nameModel, statSchema, nameCollection);
-
-module.exports = statModel;
diff --git a/src/models/url.js b/src/models/url.js
deleted file mode 100644
index 536c60b33f..0000000000
--- a/src/models/url.js
+++ /dev/null
@@ -1,26 +0,0 @@
-const mongoose = require('mongoose');
-
-const urlSchema = new mongoose.Schema(
-  {
-    project: {
-      type: String,
-      required: [true, 'A url must have a project field'],
-      unique: true,
-      trim: true,
-    },
-    url: {
-      type: String,
-      default: [true, 'A url must have a url field'],
-      trim: true,
-    },
-  },
-  { versionKey: false }
-);
-
-urlSchema.index({ project: 1 });
-
-const nameModel = 'Url';
-const nameCollection = nameModel.toLowerCase();
-const urlModel = mongoose.model(nameModel, urlSchema, nameCollection);
-
-module.exports = urlModel;
diff --git a/src/utils/dbConnection.js b/src/utils/dbConnection.js
index 46000635a6..2a317d1dc1 100755
--- a/src/utils/dbConnection.js
+++ b/src/utils/dbConnection.js
@@ -1,51 +1,38 @@
-const mongoose = require('mongoose');
-const SSM = require('aws-sdk/clients/ssm');
+const path = require('path');
 
-// https://mongoosejs.com/docs/lambda.html
-// Because conn is in the global scope, Lambda may retain it between
-// function calls thanks to `callbackWaitsForEmptyEventLoop`.
-// This means your Lambda function doesn't have to go through the
-// potentially expensive process of connecting to MongoDB every time.
+require('dotenv').config({ path: path.resolve(__dirname, '../../config.env') });
 
-// more about callbackWaitsForEmptyEventLoop (which we add to every lambda which makes
-// a connection to the db)
-// See https://www.mongodb.com/blog/post/serverless-development-with-nodejs-aws-lambda-mongodb-atlas
+const pgp = require('pg-promise')({
+  /* initialization options */
+  capSQL: true, // capitalize all generated SQL
+});
+// set type options (pg-promise returns integers and numeric types as strings)
+// id 20 = INTEGER
+// id 1700 = NUMERIC
+pgp.pg.types.setTypeParser(20, parseInt);
+pgp.pg.types.setTypeParser(1700, parseFloat);
 
 // on first connect, cache db connection for reuse so we don't
 // need to connect on new requests
 let conn = null;
 
-exports.connect = async () => {
+const connect = async () => {
   if (conn === null) {
     console.log('using new db connection');
-
-    // 1) retrieve db connection secrets from SSM
-    const ssm = new SSM();
-    const options = {
-      Name: `${process.env.SSM_PATH}/dbconnection`,
-      WithDecryption: true,
-    };
-    let params = await ssm.getParameter(options).promise();
-    params = JSON.parse(params.Parameter.Value);
-
-    const DB = params.database.replace('<password>', params.database_password);
-    // set conection
-    conn = mongoose
-      .connect(DB, {
-        useNewUrlParser: true,
-        useCreateIndex: true,
-        useFindAndModify: false,
-        useUnifiedTopology: true,
-        // and tell the MongoDB driver to not wait more than 5 seconds
-        // before erroring out if it isn't connected
-        serverSelectionTimeoutMS: 5000,
-      })
-      .then(() => mongoose);
-
-    // awaiting connection after assigning to the `conn` variable
-    // to avoid multiple function calls creating new connections
-    await conn;
+    // set connection
+    conn = pgp({
+      connectionString: process.env.DATABASE_URL,
+      // max milliseconds a client can go unused before it is removed
+      // from the connection pool and destroyed.
+      // overriding default of 30sec to 60sec to decrease nb of potential reconnects of 1 lambda
+      // running multiple adapters
+      idleTimeoutMillis: 60000,
+    });
   }
-
   return conn;
 };
+
+module.exports = {
+  pgp,
+  connect,
+};
diff --git a/src/utils/welford.js b/src/utils/welford.js
index 8dba12363f..041c6f1c35 100644
--- a/src/utils/welford.js
+++ b/src/utils/welford.js
@@ -7,8 +7,10 @@ module.exports.welfordUpdate = (pools, stats) => {
   // count aggregates the number of samples seen so far
 
   const payload = [];
+  const n = 1000 * 60 * 60 * 24;
+  const currentDay = new Date(Math.floor(new Date() / n) * n);
   for (const p of pools) {
-    d = stats[p.pool];
+    d = stats[p.configID];
 
     if (d !== undefined) {
       // extract
@@ -19,19 +21,23 @@ module.exports.welfordUpdate = (pools, stats) => {
       mean2DR = d.mean2DR;
       productDR = d.productDR;
 
-      // update using welford algo
-      count += 1;
-      // a) ML section
-      deltaAPY = p.apy - meanAPY;
-      meanAPY += deltaAPY / count;
-      delta2APY = p.apy - meanAPY;
-      mean2APY += deltaAPY * delta2APY;
-      // b) scatterchart section
-      deltaDR = p.return - meanDR;
-      meanDR += deltaDR / count;
-      delta2DR = p.return - meanDR;
-      mean2DR += deltaDR * delta2DR;
-      productDR = (1 + p.return) * productDR;
+      // we only update if the last pool value is from that day (otherwise its stale and we don't
+      // want to increment/update but instead are just going to keep the existing values)
+      if (p.timestamp >= currentDay) {
+        // update using welford algo
+        count += 1;
+        // a) ML section
+        deltaAPY = p.apy - meanAPY;
+        meanAPY += deltaAPY / count;
+        delta2APY = p.apy - meanAPY;
+        mean2APY += deltaAPY * delta2APY;
+        // b) scatterchart section
+        deltaDR = p.return - meanDR;
+        meanDR += deltaDR / count;
+        delta2DR = p.return - meanDR;
+        mean2DR += deltaDR * delta2DR;
+        productDR = (1 + p.return) * productDR;
+      }
     } else {
       // in case of a new pool -> boostrap db values
       count = 1;
@@ -45,7 +51,7 @@ module.exports.welfordUpdate = (pools, stats) => {
     }
 
     payload.push({
-      pool: p.pool,
+      configID: p.configID,
       count,
       meanAPY,
       mean2APY,