Bollinger Bands have a success rate of roughly 47-55% on standard settings, with strategy-specific results varying widely.
Studies show Bollinger Bands with standard settings have a 47-55% success rate depending on market conditions and timeframe, performing better in ranging markets but producing false signals in strong trends.
Backtesting across markets shows Band Bounce around 60-65% in range-bound stocks, Band Break 55-60% in trending markets, and Squeeze plays 70-75% in any market.
Numbers improve sharply when paired with RSI, MACD, or volume.