Buy Long when you see a Green colour bar
Sell Short when you see a Red colour bar
BollingerBands added for reference
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.
study(title="GreenRedSignal-AUDCAD", shorttitle="BuySellSignal-AUDCAD", 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 > mysignal ? 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)