The Expert Advisor is rewritten from MQL4, the unknown author, published by Scriptor, link to the source - https://www.mql5.com/en/code/7599.

How it works

Green line - price difference with one of the line of Bollindger Bands®.

Red line - sum of values of the BearsPower and BullsPower indicators multiplied by -1.

 

The i_Trend indicator (the third window below) and indicators on the basis of which it is built: Bollinger bands, BearsPower and BullsPower

Parameters

• Price - Price type used to calculate the difference of price and Bollinger Bands.
• BBPeriod - Period of Bollinger Bands.
• BBShift - Shift of Bollinger Bands.
• BBDeviation - Deviation of Bollinger Bands.
• BBPrice - Price of Bollinger Bands.
• BBLine - Used line of Bollinger Bands.
• BullsBearsPeriod - Period of Bulls Bears Power.