This Expert Advisor is based on Bollinger Bands. It uses trend-following strategy (DEMA) and Bollinger Bands ® indicator.

It shows a stable profit in Strategy Tester during last 17 years (EURUSD M30).

The Strategy:

• Open long position: DEМА is growing up and white (bull) candle crossed the Lower Bollinger Band from below to above.
• Open short position: DEМА is falling down and black (bear) candle crossed the Upper Bollinger Band from above to below.
• Close long position: Black candle crossed the Upper Bollinger Band from above to below.
• Close short position: White (bull) candle crossed the Lower Bollinger Band from below to above.

Input parameters:

• bands_period - Bollinger Bands period;
  
• dema_period- DEMA period;
  
• bands_shift- Bands shift;
• deviation- Standard deviation;
• Lot - Trade volume (in lots).

Recommendations:

Use this Expert Advisor as a base of your own strategy only.