Bollinger Bands are a technical analysis tool developed by John Bollinger that helps traders assess volatility and potential buy or sell signals. They consist of three lines plotted on a chart: 1.Middle Band : - Definition : This is a Simple Moving Average (SMA) of the stock's price, typically set to a 20-day period. - Purpose : Serves as the baseline for the upper and lower bands. 2.Upper Band : - Definition : The middle band plus two standard deviations of the price. It represents a high price threshold. - Calculation : Upper Band = Middle Band + (2 * Standard Deviation). 3.Lower Band : - Definition : The middle band minus two standard deviations of the price. It represents a low price threshold. - Calculation : Lower Band = Middle Band - (2 * Standard Deviation). Uses of Bollinger Bands : - Volatility Measurement : Bands expand when volatility increases and contract when volatility decreases. - Overbought/O...