indicator · on price · open source

Fractal Chaos Bands

Deepwick · @deepwickv1Updated 2 Oct 2026▲ 0 users

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About

Fractal Chaos Bands mark the recent swing high/low midpoint and offset two thin ATR rails — designed for visualising the 'fair value' zone during choppy ranges.

A narrow pair of rails = tight range; price meanders between them.
A wide pair of rails = directional expansion; trail a stop on the inner side.

Source code

//@version=5
indicator("Fractal Chaos Bands", overlay=true)
len = input.int(20, "Lookback", minval=2, maxval=200)
fcMult = input.float(0.5, "ATR multiplier", minval=0.1, maxval=5, step=0.1)
hi = ta.highest(high, len)
lo = ta.lowest(low, len)
mid = (hi + lo) / 2
upr = mid + ta.atr(len) * fcMult
lwr = mid - ta.atr(len) * fcMult
p_FCB_Upper = plot(upr, "FCB Upper", color=color.blue)
p_FCB_Lower = plot(lwr, "FCB Lower", color=color.green)
fill(p_FCB_Upper, p_FCB_Lower, color=color.new(color.teal, 92))

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