**Volume** is the total number of units traded in a particular instrument in a day.

The **Volume Dollars** indicator plots the total turnover of a trading day by multiplying the **Close of the day** by the** Volume of the day**.

The Volume dollars is plotted in Red below:

A **Simple Moving Average** line is then superimposed over the **Volume **line, plotted as the Blue line in the image above.

The moving average line averages the volume levels for the previous number of days as defined in the **MA Periods **parameter of the **Volume Dollars Properties** dialog box.

By default these periods are set at a value of 200.

For a more sensitive Moving Average a lower value can be set.