This is the oscillator version of the Accumulation/Distribution volume indicator. The oscillator is normalized by n-period volume moving sum. The value oscillates between 1 and -1. One way to use this oscillator is to identify the divergence between price and oscillator reading in trending market, and to spot potential reversal.
This is like the one I just published, same formula. Had I found this one sooner I wouldn't have made my own. Did you also make yours based on John Bollinger's Bollinger Band book?
porktank
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@Skipper86, Yes! I made this one after reading that book.
collmanchu2010
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Finally, found you ! Thanks for providing this indicator as I need only volume indicator to confirm the reversal !