Bollinger Bands Calculator — Volatility Squeeze & Breakout Detector
Calculate Bollinger Bands upper, middle, and lower bands from a price series. Customize the period and standard deviation multiplier.
Bollinger Bands Calculator
💡 Why Use This Bollinger Bands Calculator?
Bollinger Band squeezes (when bands contract to their narrowest in 6 months) precede the majority of big crypto breakout moves. This calculator identifies squeezes, computes %B (where price sits within the bands), and measures bandwidth — all essential for volatility-based trading strategies.
Pro Tip: The 'BB Squeeze' — when bandwidth hits a 6-month low — is one of crypto's highest-probability setup signals. Use this tool to spot them early.
Frequently Asked Questions
How do I use Bollinger Bands for crypto trading signals?›
Price touching the upper band in an uptrend signals strength (not overbought). Price closing outside the lower band after a squeeze signals a potential breakdown. %B below 0 = below lower band, above 1 = above upper band.
What period and standard deviation should I use for Bollinger Bands on Bitcoin?›
The classic 20-period, 2 standard deviation setting works well on Bitcoin's 4H and daily charts. For volatile altcoins, widen to 2.5 standard deviations to reduce false signals.
Related Tools
About This Tool
Calculate BB upper/middle/lower bands