Bollinger Band Width
The Bollinger Band Width indicator is the distance between the upper and lower Bollinger Bands. It is a measure of volatility. The Band Width value is higher when volatility is high, and lower when volatility is low. High Band Width values indicate that the current trend may be about to end. Low Band Width values indicate that a new trend may be about to start.
See also Bollinger Bands.
Bollinger Bands were developed by John Bollinger.
Formula:
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