Bollinger Bands Breakout EA
Free open-source BB breakout EA · Trailing stop/break-even/partial close · MT4
About Bollinger Bands Breakout EA
The Bollinger Bands Breakout EA, documented at earnforex.com and Medium, is a simple, open-source Expert Advisor for MetaTrader 4 that trades a Bollinger Bands breakout strategy. Bollinger Bands are based on standard-deviation measurement, acting as volatility bands around price — a breakout beyond those bands signals a significant shift in trader positioning toward buying or selling.
The EA generates a buy signal when price closes above the upper band and a sell signal when price closes below the lower band (some breakout-style variants instead trade the opposite direction — a bounce-back trade when price breaks through then reverses). Traders can adjust Bollinger Band settings, lot size, stop-loss, and take-profit, with additional options for trailing stop-loss, break-even, and partial trade closing.
- Platform: MetaTrader 4
- Strategy: Bollinger Bands breakout (price closing beyond upper/lower band)
- Customisation: BB settings, lot size, SL, TP, trailing stop, break-even, partial close
- Price: Free, open-source (.mq4 available)
- Source: earnforex.com · Bollinger Bands Breakout MT4 Expert Advisor