Posted by Mohammad Rahhal, Last modified by Abdullah Almasharfah on 10 January 2019 02:30 PM
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 an empty string.