i
study(title="FEinfinity EU/GU Scalp 2.2 ", shorttitle="FEinfinity EU/GU Scalp 2.2", overlay=true) src1= high, len1 = input(5, minval=1, title="Length") out1 = sma(src1, len1) src3= low, len3 = input(5, minval=1, title="Length") out3 = sma(src3, len3) sourcebb = close lengthbb= input(20, minval=1), mult = input(2.0, minval=0.001, maxval=50) basis = sma(sourcebb, lengthbb) dev = mult * stdev(sourcebb, lengthbb) upper = basis + dev lower = basis - dev //p1 = plot(upper, title="BB Atas", linewidth=2,color=blue) //p2 = plot(lower, title="BB Bawah", linewidth=2,color=blue) //p3 = plot(basis, title="BB Tengah", linewidth=1,color=blue) crossingatas=cross(upper,out1) ? avg(upper, out1) : na crossingbawah=cross(lower,out3)? avg(lower,out3) : na plot(crossingatas,title="Atas", style=circles, linewidth=5, color=blue) plot(crossingbawah,title="Bawah", style=circles, linewidth=5, color=lime) isupxtreme() => close > upper isDownxtreme() => close <= lower