Hull Moving Average (HMA): Zero Lag Trend Trading
The Problem with Lag: Why Allan Hull Created HMA
Moving Averages are the most popular indicators in trading, but they have one major flaw: lag. By the time a standard SMA or EMA turns, the price has often moved so far that the entry is no longer profitable.
Allan Hull solved this by creating the Hull Moving Average (HMA). It is designed to be extremely smooth while almost entirely eliminating the 'lag' associated with traditional averages. It is effectively a 'Curve-Fitting' average that follows price action much more closely without becoming 'noisy'.
The Math of Speed: How It Eliminates Lag
The HMA uses a clever mathematical trick. It calculates a Weighted Moving Average (WMA) of half the period and subtracts the WMA of the full period. This creates a value that 'anticipates' price movements. The result is then smoothed by a final square-root WMA.
The result is a line that turns almost exactly when the price turns, rather than 3-5 bars later. This speed is what makes the HMA the preferred choice for algorithmic traders and high-frequency momentum setups.
HMA Technical Rules
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Base Period: 20 for momentum, 50 for trend
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Entry: Long when HMA slope turns upward
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Entry: Short when HMA slope turns downward
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Avoid: Trading HMA in a flat, sideways market
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Filter: Use HMA on H4 for macro trend views
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Stop-Loss: Place beyond most recent fractal low
Strategy: HMA Slope and Color Changes
Trend Discovery: The easiest way to trade HMA is by watching its 'Slope' or color. When the HMA is sloping upward (Green), the trend is bullish; when sloping downward (Red), it’s bearish. Entry Setup: A common strategy is to wait for the price to pull back to a longer-period HMA (like 50) while it is still sloping upward. Entering on an HMA 'Slope Reversal' is much faster than waiting for an EMA crossover, giving you a significantly better Risk/Reward ratio.
Warning: Overfitting and Whipsaws
Because the HMA is so fast, it can be prone to 'Whipsaws' in a ranging market. If price is consolidating, the HMA will flip directions frequently. It is highly recommended to use a Volatility filter (like ATR) or a trend strength indicator (like ADX) to ensure you are only trading HMA when the market has high directional energy.