TradingviewPineCode/MyADX14-40.pine at main · Li-Hongmin/TradingviewPineCode · GitHub

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//@version=4
study("ADX_40", shorttitle="ADX", format=format.price, precision=2, resolution="")

fastlength = input(12)
slowlength = input(36)
levelline = input(40)

adxlen = input(14, title="ADX Smoothing")
dilen = input(14, title="DI Length")
dirmov(len) =>
	up = change(high)
	down = -change(low)
	plusDM = na(up) ? na : (up > down and up > 0 ? up : 0)
	minusDM = na(down) ? na : (down > up and down > 0 ? down : 0)
	truerange = rma(tr, len)
	plus = fixnan(100 * rma(plusDM, len) / truerange)
	minus = fixnan(100 * rma(minusDM, len) / truerange)
	[plus, minus]
adx(dilen, adxlen) =>
	[plus, minus] = dirmov(dilen)
	sum = plus + minus
	adx = 100 * rma(abs(plus - minus) / (sum == 0 ? 1 : sum), adxlen)
sig = adx(dilen, adxlen)

plot(sig, color=color.red, title="ADX")
plot(levelline, color=color.yellow, title="40Level")