It is like an improved version of the deviation rate from the R-type (Radioyazi) moving average line used in stocks.
5RMA deviation rate is red and 25RMA deviation rate is blue. RMA is the average of the opening, high, low and closing prices. You can change it to SMA or close price in the settings.
Pink is (5RMA+25RMA)/2.
Each line is a band, the upper end is the...
