//@version=2 study(title="GreenRedSignal", shorttitle="BuySellSignal", overlay=true) // Script created by JoinFree // BollingerBands added for reference // Buy Long when you see a Green colour bar // Sell Short when you see a Red colour bar mysignal = ema(close, 12) - ema(close, 26) barcolor(mysignal[0] > mysignal[1] ? green : red) source = close length = input(20, minval=1), mult = input(2.0, minval=0.001, maxval=50) basis = sma(source, length) dev = mult * stdev(source, length) upper = basis + dev lower = basis - dev plot(basis, color=red) p1 = plot(upper, color=blue) p2 = plot(lower, color=blue) fill(p1, p2)