This indicator displays only the meaningful information for symbols with volume data accumulation. The Total Volume Delta it is calculated from the beginning of the available volume data. 

I hope you enjoy my products and for the Demo version before leaving a negative review (if the need arises) please contact me first for any support or clarifications.

Thank you and enjoy trading.

P.S. If you are interested in developing an EA specifically from this indicator/utility we can do that free of charge(as long as we stay within the indicator parameters) or we can offer a consultation and a quote on building more elaborate indicators/utilities/experts to your liking.

Also if you want to test utilities on Live account, send me a PM and we can accommodate that.