You can use it to gauge accelerating or declining interest in a security.
Release Notes:
I added a length option so you can fine tune the duration of volume flow you wish to track.
Release Notes:
Cleaned up the code and simplified the plot.
Release Notes:
Added a zero line for clarity.
Release Notes:
I split the indicator into two volume lines now, bullish and bearish ...so you can spot when convergence and divergence occurs.