Bollinger Bands Breakout EA | FREE Forex Trading EA

Bollinger bands are a widely used technical indicator. It can be utilised for both breakout trading and reversal capturing. For MetaTrader 4, you may obtain a free expert advisor that uses Bollinger bands breakouts for entry signals.

The indicator is based on standard deviation and acts as a volatility band for the provided currency rate. A breakout beyond those zones is statistically uncommon, indicating a strong tendency among traders to purchase or sell.

Bollinger Bands Indicator Example Chart
Bollinger Bands
About Bollinger Bands Breakout MT4 Expert Advisor
About the Bollinger Bands Breakout EA

Input Parameters

MT4 EA Bollinger Bands Breakout Input Parameters
Parameters of the Bollinger Bands Breakout EA
  • Position Size — to define the position size.
  • Stop-loss in pips.
  • Take-profit in pips.
  • Slippage in pips.
  • Enable trade — to enable or disable the trading function.
  • Period of the the Bollinger Bands.
  • Deviation of the Bollinger Bands.

Entry Signal

  • Buy signal when the price is above the upper band.
  • Sell signal when the price is below the lower band.

Exit Signal

  • Fixed take-profit or stop-loss hit.

Results on EUR/USD @ H1

Backtesting the expert advisor on the EUR/USD @ 1-hour timeframe shows an interesting result. Despite not being stable, a high risk-to-reward ratio allows the EA to be profitable in the tested period. However the profit is rather small and the periods of drawdown are long. This EA’s could be attributed to pure luck with just a few trades. It should be significantly improved if you plan using it in a live account.

Backtesting Bollinger Bands Breakout EA - Report
Bollinger Bands Breakout EA Backtest


  • High risk-to-reward ratio produces a profit in the tested period.
  • EA isn’t heavily impacted by a ranging market.
BB Breakout MT4 EA - Examples of Successful Breakout Trades


The EA can suffer from false breakouts.

BB Breakout MT4 EA - Examples of False Breakout Trades

What Is It Good For?

The profitability in the backtested period can indicate potential. The EA could be improved with further condition and become even more profitable and consistent.

This expert advisor is free to download and you can use its .mq4 source file to develop your own EA’s.

Download MT4 Bollinger Bands Breakout Expert Advisor

Installation instructions:

  1. Download the expert advisor .mq4 file.
  2. Open the MetaTrader 4 data folder (via File→Open Data Folder).
  3. Open the MQL4 Folder.
  4. Copy the .mq4 file to MQL4/Experts/ subfolder.
  5. Restart MetaTrader 4 or refresh the expert advisors list by right-clicking the Navigator subwindow of the platform and choosing Refresh.

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