Hull moving average (HMA)
A fast, smooth average built from weighted averages to cancel most of their lag.
Formula
HMA = WMA(2 × WMA(N ÷ 2) − WMA(N), √N)
How to use it
Tracks turns quickly with little noise — popular for trend direction on short timeframes.
Limitations
The lag cancellation overshoots after sharp moves.
In Kereon
Charts · Superchart. Default length 9; both half-lengths rounded down, as in Hull's own formula.
Also called: hull.