Anyhow here's the fixed version which as you can see has done a great job of keeping us on the right side of the trend with once-hot stocks like Skyworks !
//SuperTrend - Originally by Olivier Seban //Programmed by BlindFreddy //Blog: http://blindfreddy.postagon.com study(title="SuperTrend BF", overlay = true) Length = input(10, minval=1), mult = input(3, type=float,minval=1) avgTR = atr(Length) newshortband = hl2 + avgTR * mult newlongband = hl2 - avgTR * mult longband=close>=longband? max(newlongband,longband):newlongband shortband = close<=shortband? min(newshortband,shortband) : newshortband trend = close > shortband ? 1: close< longband? -1: nz(trend,1) supt = trend==1? longband: shortband dotcolor = trend==1? green: maroon plot(supt, color= dotcolor , style=circles, linewidth=3,title="SuperTrend")
You re-released it again with period 10 as default. The period 7 as default which rajandran.r uses is in my view better. Same for the buy, sell alerts he had added to the SuperTrend: