#12-不同週期顯示不同均線.pine

//@version=4
study("教學範例-不同週期顯示不同均線", overlay=true)  

//時間周期。比如 '60' - 60分鐘, 'D' - 日, 'W' - 周, 'M' - 月, '5D' - 5日, '12M' - 1年, '3M' - 1季

sma5 = timeframe.period=="240"  ? sma(close, 5)  :na
sma10 = timeframe.period=="240" or timeframe.period=="D" ? sma(close, 10) :na
sma15 = timeframe.period=="240" or timeframe.period=="60" ? sma(close, 15) :na

sma20 = timeframe.period=="60" ? sma(close, 20) :na


plot(sma5, title="ma5", color=color.blue)
plot(sma10, title="ma10", color=color.green)
plot(sma15, title="ma15", color=color.red)
plot(sma20, title="ma20", color=color.purple)