Volume Rate of Change

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VolumeRateOfChange(Vector, Periods)
VROC(Vector, Periods)

Overview
The Volume Rate of Change indicator shows whether or not volume is trending in one direction or another.

Interpretation
Sharp Volume ROC increases may signal price breakouts.

Recommended Parameters
Vector: VOLUME
Periods: 12

Example
set VROC12 = VROC(VOLUME, 12)
set BUY = (VROC12 > 0) AND (REF(VROC12, 1) < 0)
Evaluates to buy when the Volume ROC recently moved into positive territory.

Previous Price Rate of Change
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