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Worden Discussion Forum » Customer Training & Support » PCFs, EasyScan and Custom Indicators » Volume Rate of Change Percent (VROC%)

Rate of Change Percent (ROC%) is the same as Momentum minus 100.

100 * (V / Vx - 1)

A 1 period volume rate of change percent formula can be written as follows.

100 * (V / V1 - 1)

A 21 period volume rate of change percent formula can be written as follows.

100 * (V / V21 - 1)