Bollinger Band width Metals Analysis & Bollinger Band width Trading Signals
Developed by John Bollinger.
This metals technical indicator is derived from the original Bollinger technical indicator.
Bandwidth is a measure of the width of the Bollinger Bands.
Calculation
Bandwidth = Upper Band - Lower Band
Middle Band

This is an oscillator, based on the theory that metals price & volatility occurs in cycles.
Periods of high volatility is followed by periods of low volatility.
When volatility is high, bands are far apart, the band width will also be wide apart.
When volatility is low, Bands are narrow & 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
Metal Analysis & Generating Trading Signals
Consolidation - Bollinger Squeeze
Bollinger Bandwidth is used to identify the squeeze, which is a consolidation period of metals price, after which the metals price then breaks out in a particular direction.
Signals are generated when there's a metals price break-out signal is generated by the indicator starting to go up after touching the red line. When the bandwidth line starts to move upward it signifies that volatility is rising as the metals price is breaking out.

Squeeze

Break-out Signal After Bandwidth Squeeze
However, this is a directionless indicator & needs to be combined with another indicator such as the moving average to determine the direction of the trend/ Break out.


