// Licensed under the Apache License, Version 2.0
// © mihakralj
//@version=6
indicator("True Range", "TR", overlay=false)

//@function Calculates the True Range
//@returns True Range value for the current bar
tr() =>
    float prevClose = nz(close[1], close)
    float tr1 = high - low
    float tr2 = math.abs(high - prevClose)
    float tr3 = math.abs(low - prevClose)
    float trueRange = math.max(tr1, math.max(tr2, tr3))
    trueRange

// ---------- Main loop ----------

// Calculation
trValue = tr()

// Plot
plot(trValue, "TR", color=color.yellow, linewidth=2)