What is Bollinger Bands %B?
Position of price within the Bollinger Bands (20-day, 2σ). Formula: (Price − Lower Band) / (Upper − Lower). 1.0 = at upper band, 0.5 = at midline, 0.0 = at lower band. >1: overbought/breakout above upper band. <0: oversold/breakdown below lower band. 0.8–1.0: near upper band (momentum). 0.0–0.2: near lower band (potential bounce).