This indicator is a ported MQL5 indicator from http://www.mql5.com/en/code/719
Formulas:
RBVI[i]=100*Positive[i]/(Positive[i]+Negative[i]), where
Positive - average of sump, Negative - average of sumn,
if rel>0 sump=rel and sumn=0,
if rel<0 sumn=-rel, sump=0,
rel=ATR[i]*Volume[i]-ATR[i-1]*Volume[i-1].
Download:
The indicator was revised and updated