Block Trades per Bar
From MultiCharts
The Block Trades per Bar indicator plots the number of trades where the BlockSize is equal to or greater than the BlockSize value specified. This indicator can be used with real-time data only, it does not plot on historical data. When applied to a chart, the Block Trades per Bar displays one plot in a separate subchart from the main data series.
Default Inputs
BlockSize( 5000 ) sets the size of the trades to be counted.
DataNum( 1 ) is a numerical expression specifying the data number of the series.