The oscillator indicator shows a ratio between bullish and bearish candlesticks over the selected period.

It has two parameters:

• Period - calculation period
• Method - the method of smoothing

Indicator calculation:

Up (Green) = ((High - Open) + (Close - Low))/2, the average value over the selected period;  
Down (Red) = ((Open - Low) + (High - Close))/2, the average value over the selected period.