Bollinger Bands

Category: volatility

SMA ± k standard deviations; measures relative volatility, squeeze and band-touch extremes.

Formula

Mid = SMA_N; Upper/Lower = Mid ± k·σ_N(close)

Inputs

• period (default: 20)
• deviation (default: 2)

See signal primitives, usage in published strategies and more on WOBR StrategyVerse.