hma

Hull Moving Average

`hma(source, period)`

Parameters

Name	Type	Description
`source`	field	Data series to calculate HMA on
`period`	int	Number of periods for the moving average

Formula

HMA = WMA(2 * WMA(n/2) - WMA(n), sqrt(n))

Examples

hma(close, 9);  # 9-period Hull MA (fast, responsive)
hma(close, 20);  # 20-period Hull MA (standard)
x = hma(close, 50); close > x;  # Price above 50-period HMA

Returns

float

Range

period must be 2-400

Notes

Uses WMA internally (3-level nested calculation); sqrt(period) provides the final smoothing step

References

TradingView: ta.hma(); developed by Alan Hull

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