Bollinger Band Trading Page

: The middle band plus two standard deviations . It often marks potential "overbought" areas.

: The middle band minus two standard deviations. It often marks potential "oversold" areas. Three Primary Trading Strategies Go to product viewer dialog for this item. Bollinger Band Trading

Bollinger Bands are a versatile volatility indicator developed by John Bollinger in the 1980s. They consist of three lines that "breathe" with the market, expanding when volatility increases and contracting when it decreases. : The middle band plus two standard deviations

: A 20-period Simple Moving Average (SMA) that acts as the baseline. Bollinger Band Trading