Bollinger Bands

Fiabilité : ★★★★★

MA 20 surrounded by 2 bands at ±2 standard deviations. Measures volatility and identifies overbought/oversold.

In detail

Created by John Bollinger. Band squeeze = low volatility, often followed by strong move. Price touching upper band = relative overbought.

🎯 How to trade

Buy at lower band, sell at upper band in range. In trend, follow the band in direction.

#volatility #classic