Developed by John Bollinger, Bollinger Bands are an indicator that allows users to compare volatility and relative price levels over a period time. The indicator consists of three bands.
The middle line is the simple moving average, normally set as a period of 20 (number of bar/ticks in a given time period), and is used as a base to create upper/lower bands. The upper band is the middle band added to the given deviation multiplied by a given period moving average. The lower band is the middle band subtracted by the given deviation multiplied by a given period moving averages.
It used for determining whether current values of a data field are behaving normally or breaking out in a new direction also for identifying when trend reversals may occur.
Using Bollinger Bands
1) Trend – When price moves outside of the bands, it is believed that the current trend will continue.
2) Volatility- The band will expand/contract as the price movement becomes more volatile/or becomes bound into tight trading patterns, respectively.
3) Determine Oversold/Overbought Conditions – When price continues to hit upper band, the price is deemed overbought (may suggest sell). When price continues to hit lower band, the price is deemed oversold (may suggest buy).
The middle line is the simple moving average, normally set as a period of 20 (number of bar/ticks in a given time period), and is used as a base to create upper/lower bands. The upper band is the middle band added to the given deviation multiplied by a given period moving average. The lower band is the middle band subtracted by the given deviation multiplied by a given period moving averages.
It used for determining whether current values of a data field are behaving normally or breaking out in a new direction also for identifying when trend reversals may occur.
Using Bollinger Bands
1) Trend – When price moves outside of the bands, it is believed that the current trend will continue.
2) Volatility- The band will expand/contract as the price movement becomes more volatile/or becomes bound into tight trading patterns, respectively.
3) Determine Oversold/Overbought Conditions – When price continues to hit upper band, the price is deemed overbought (may suggest sell). When price continues to hit lower band, the price is deemed oversold (may suggest buy).
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September 12, 2016 at 12:36 AM