indicator.pine

//@version=5
indicator("Exceptional Movement")

mult = input(2.0, title="ADR multiplier")
days = input(20, title = "periods for ADR")

sumADR = 0.0
ADR = 0.0
curRange = 0.0
ADRrel = 0.0

if not na(high[days+2])
    for i = 1 to days
        sumADR := high[i] - low[i] + sumADR
    ADR := sumADR / days

    curRange := high - low
    ADRrel := math.round(curRange / ADR * 100) / 100

plot(ADRrel)
bgcolor(color=(barstate.isrealtime and (ADRrel > mult)) ? color.green : color.white)