The Volume Accumulation oscillating indicator shows in a separate window the chart of candlestick volumes calculated by the following formula:

VA = Volume * ((Close-Low)-(High-Close))/(High-Low)

where:

TVA= sum of VAs over a Period  TV = sum of Volume over a Period  VACC[Period] = (TVA / TV) * 100  

The indicator has one input parameter:

• Period - calculation period.