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Bollinger bands professional expert

This trading strategy is based on channel trading with position reversals at the borders and is designed using the standard iBands indicator. When a channel is broken, a position is opened in the direction opposite to the price movement. If the upper boundary of the channel is broken upwards, then a Sell position is opened, and if the lower one is broken, a Buy position is opened.‌‌‌

Input parameters

  • on_lot - use fixed lot;
  • Lot - fixed lot size;
  • lot_perc - lot size as a percentage of equity;
  • tfFractal - period of the iFractals indicator: used for calculation of the stop loss levels;
  • on_SL - enable/disable setting stop loss;
  • BB_period - period of the moving average to calculate the iBands indicator;
  • BB_deviation - the number of standard deviations of the iBands indicator;
  • BB_applied_price - applied price type of the iBands indicator.


  • Optimize BB_period in the range from 10 to 1000;
  • Optimize BB_deviation in the range from 1 to 20 with a step of 0.1.
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