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Bollinger Band width Forex Technical Analysis and Bollinger Band width Forex Trading Signals

Developed by John Bollinger.


This indicator is derived from the original Bollinger indicator.


Bandwidth is a measure of the width of the Bollingers.



Bandwidth =  Upper  Band - Lower Band

Middle Band



Bollinger Bandwidth Indicator


This is an oscillator, based on the theory that price and volatility occurs in cycles.


Periods of high volatility is followed by periods of low volatility.


When volatility is high, bands are far apart, the bandwidth will also be wide apart.


When volatility is low, Bands are narrow and the bandwidth indicator will also not be narrow.


The blue line represents the highest Bandwidth value for a previous number of periods.

This line also identifies periods of high volatility


The red line represents the lowest Bandwidth value for a previous number of periods.

This line also identifies periods of low volatility


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Forex Technical Analysis and Generating Forex Trading Signals


Consolidation - Bollinger Squeeze


Bollinger Bandwidth is used to identify the squeeze, which is a consolidation period of price, after which the price then breaks out in a particular direction.


Signals are generated when there is a price breakout signal is generated by the indicator starting to go up after touching the red line. When the bandwidth line starts to move up it signifies that volatility is rising as the price is breaking out.

Bollinger Bandwidth Indicator Squeeze



Brakout Signal After Bollinger Bandwidth Squeeze

Breakout Signal After Bandwidth Squeeze

However, this is a directionless indicator and needs to be combined with another indicator such as the moving average to determine the direction of the trend/ Breakout.

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