TradingView/MACD PSAR Indicator.txt at main · TraderOracle/TradingView · GitHub

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//@version=4
study(title = "MACD Psar v1.1", overlay = true, format=format.price, precision=2)

var crossoverBear = false
var crossoverBull = false

// gapMACD = input(title="MACD Gap Threshold", type=input.integer, defval=1, group="Basic Settings", tooltip="How much distance between MACD line and the zero line is acceptable to show an indicator?  Larger numbers will filter out more noise")
adxThreshold = input(0, title="ADX Threshold", group="Basic Settings", tooltip="ADX value that must be reached in order for an indicator to display.  Larger numbers will filter out more noise")
filter200 = input(false, title="Filter by 200 EMA", group="Basic Settings", tooltip="Use 200 EMA to determine trend direction.  Only show SELL below it, only show BUY above it")
filter850 = input(false, title="Filter by 8/50 EMA", group="Basic Settings", tooltip="Use 8/50 inverse combo to show BUY/SELL.  If 8 is above 50, then we're too high up and need to sell, thus only show SELL during that, and vice versa for BUY.  NOTE: This is INVERSE")

psarStart = input(title="PSAR Start", type=input.float, step=0.001, defval=0.02, group="PSAR")
psarIncrement = input(title="PSAR Increment", type=input.float, step=0.001, defval=0.02, group="PSAR")
psarMaximum = input(title="PSAR Maximum", type=input.float, step=0.01, defval=0.2, group="PSAR")

// Average Directional Index
adxlen = input(14, title="ADX Smoothing", group="ADX")
dilen = input(14, title="DI Length", group="ADX")
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)
adxValue = adx(dilen, adxlen)

// Parabolic SAR
psar = sar(psarStart, psarIncrement, psarMaximum)
psarDir = psar < close ? 1 : -1

// MACD
fastMA = input(title="Fast moving average", type=input.integer, defval=12, minval=7, group="MACD")
slowMA = input(title="Slow moving average", type=input.integer, defval=26, minval=7, group="MACD")
signalLength = input(9,minval=1)

[currMacd,_,_] = macd(close[0], fastMA, slowMA, signalLength)
[prevMacd,_,_] = macd(close[1], fastMA, slowMA, signalLength)
signal = ema(currMacd, signalLength)

if (cross(currMacd, signal) and currMacd < signal and currMacd >= -2)
	crossoverBear := true
	crossoverBull := false

if (cross(currMacd, signal) and currMacd > signal and currMacd <= 2)
	crossoverBull := true
	crossoverBear := false

iBuy = (crossoverBull and psar < close and adxValue > adxThreshold)
iSell = (crossoverBear and psar > close and adxValue > adxThreshold)

showBuy = iBuy and not iBuy[1]
showSell = iSell and not iSell[1]

filterBuy200 = (filter200 and ema(close,200) > close) or (filter850 and ema(close,8) < ema(close,50))
filterSell200 = (filter200 and ema(close,200) < close) or (filter850 and ema(close,8) > ema(close,50))

// plotchar(showBuy and adxValue > adxThreshold and not filterBuy200 ? 1 : na, title="Buy", char='❄', location=location.belowbar, color=color.rgb(37, 119, 79), textcolor=color.white)
// plotchar(showSell and adxValue > adxThreshold and not filterSell200 ? 1 : na, title="Sell", char='❄', location=location.abovebar, color=color.rgb(127, 37, 37), textcolor=color.white)

plotshape(showBuy and adxValue > adxThreshold and not filterBuy200 ? 1 : na, title="Buy", text="Buy", location=location.belowbar, style=shape.labelup, size=size.tiny, color=color.rgb(37, 119, 79), textcolor=color.white)
plotshape(showSell and adxValue > adxThreshold and not filterSell200 ? 1 : na, title="Sell", text="Sell", location=location.abovebar, style=shape.labeldown, size=size.tiny, color=color.rgb(127, 37, 37), textcolor=color.white)