Band Indicators

Envelope Theory

Envelopes refer to moving average bands and channels, which consist of a middle and two outer bands. Envelope theory states that prices are most likely to remain within the boundaries of the envelope. When prices go outside the envelope this can indicate an overbo

Keltner Channels

This technical indicator was outlined by Chester W. Keltner in his book How To Make Money in Commodities (1960). Keltner Channels are a volatility based band indicator that indicate overbought and oversold levels. See also: Kelter Channels Indicator

Keltner Channels

Originally developed by Chester Keltner and later modified by Linda Raschke, Keltner Channels, also known as Keltner Bands are a volatility-based technical indicator. The Channels are composed of two bands plotted around an Exponential Moving Average of the data f

John Bollinger

John Bollinger is president of Bollinger Capital Management and the creator of the technical trading tool known as Bollinger Bands. See also: Bollinger Bands – The Basic Rules, John Bollinger Interview

Projection Bands

Projection Bands are made up of two bands outlining minimum and maximum projected boundaries. The Bands are derived using the minimum and maximum prices over a given time period and projecting these forward, parallel to a linear regression line. The Bands are inte