Order Flow Indicator

semalam

//version=5
indicator("Order Flow Indicator", overlay=false)

// Inputs
length = input.int(20, title="Smoothing Length")
showDelta = input.bool(true, title="Show Delta Volume")
showCumulativeDelta = input.bool(true, title="Show Cumulative Delta")

// Volume calculation
buyVolume = volume * (close > open ? 1 : 0) // Volume when the close is above open
sellVolume = volume * (close < open ? 1 : 0) // Volume when the close is below open
deltaVolume = buyVolume - sellVolume

// Cumulative Delta
var float cumulativeDelta = na
cumulativeDelta := na(cumulativeDelta[1]) ? deltaVolume : cumulativeDelta[1] + deltaVolume

// Smoothed Delta
smoothedDelta = ta.sma(deltaVolume, length)
smoothedCumulativeDelta = ta.sma(cumulativeDelta, length)

// Plot Delta Volume
plot(showDelta ? deltaVolume : na, color=color.new(color.blue, 0), title="Delta Volume", style=plot.style_histogram)

// Plot Cumulative Delta
plot(showCumulativeDelta ? cumulativeDelta : na, color=color.new(color.green, 0), title="Cumulative Delta")
plot(showCumulativeDelta ? smoothedCumulativeDelta : na, color=color.new(color.red, 0), title="Smoothed Cumulative Delta")

// Alerts
alertcondition(deltaVolume > smoothedDelta, title="High Delta Volume", message="Delta Volume is unusually high!")
alertcondition(cumulativeDelta > smoothedCumulativeDelta, title="High Cumulative Delta", message="Cumulative Delta is rising rapidly!")