Volume MA

Moving average of volume — confirm breakouts.

A volume moving average (volume MA) is a rolling average of bar-level volume over a window — typically 20 or 50 bars. It is the cleanest way to define 'high volume' versus 'low volume' for a given asset and timeframe without picking an arbitrary absolute threshold.

Trading reads: a breakout on volume above 1.5× or 2× the volume MA is treated as confirmed participation, while a breakout on below-average volume is often considered suspect. Volume MAs are also used as a filter — only act on signals when current volume exceeds the average.

Volume MAs are normally computed as a simple moving average, since the goal is a stable baseline rather than fast responsiveness. They are calibrated per-asset because volume scales vary wildly across instruments.

VolMA_t = (V_t + V_{t-1} + ... + V_{t-N+1}) / N

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