What does 2 Standard Deviations mean?

Statistically, it means approximately 95% of all price action should take place inside the bands. Any close outside the bands is statistically significant—an anomaly that often signals either a continuation breakout or a reversal.

Can I just buy when price hits the bottom band?

No! In a crash or strong downtrend, price will hit the bottom band and push it even lower ("walking the bands"). You need to confirm the market is ranging, not trending, before using the bounce strategy.

How long does a Bollinger Squeeze last?

Squeezes can last anywhere from a few hours to several weeks. The longer the squeeze, the more explosive the eventual breakout typically is. Patience is required—don't enter during the squeeze, only after the breakout.

Do Bollinger Bands work on all timeframes?

Yes, they work on any timeframe from 1-minute charts to monthly charts. However, higher timeframes (4H, Daily) tend to provide more reliable signals with less noise. Adjust the period setting if necessary for your timeframe.

Should I use SMA or EMA for the middle band?

The original Bollinger Bands use SMA (Simple Moving Average). Some traders prefer EMA for faster response, but the difference is minimal. Stick with SMA unless you have a specific reason to change it.

What's the biggest mistake traders make with Bollinger Bands?

Blindly fading every touch of the outer bands without considering market context. Always determine if the market is ranging or trending before applying any Bollinger Band strategy.

Technical Analysis

Bollinger Bands Guide: Squeeze, Breakouts & Trading Strategies

Master Bollinger Bands for volatility trading. Learn the squeeze setup, band walking, and reversal strategies.

Written ByJames WilsonRisk Management Specialist

Fact Checked ByEdith BalazsFact-Checker & Research Lead

Last UpdatedNov 30, 2026

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James Wilson

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James is a certified Financial Risk Manager (FRM) and former compliance officer for an FCA-regulated broker. He focuses on evaluating broker safety, regulatory status, and helping traders understand leverage and capital preservation strategies.

Risk Management Specialist — Everything you find on BrokerAnalysis is based on reliable data and unbiased information. We combine our 10+ years finance experience with readers feedback.

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