Posted by Mohammad Rahhal, Last modified by Rawan Al Hourani on 19 June 2016 10:25 AM
The On Balance Volume indicator shows a relationship of price and volume as a momentum index.
On Balance Volume index generally precedes actual price movements. The premise is that well-informed investors are buying when the index raises and
uninformed investors are buying when the index falls.
Returns the handles of a technical indicator, in case of failure returns a empty string.