Bollinger BandWidth
How wide the Bollinger Bands are, as a fraction of their middle — low in a squeeze.
Formula
BandWidth = (Upper − Lower) ÷ Middle
How to read it
A multi-month low is the classic 'squeeze' before a breakout.
How to use it
Find volatility squeezes, which often precede breakouts; pair it with the direction of the break.
In Kereon
Charts · Superchart. Defaults 20 and 2; a fraction, not multiplied by 100.
Also called: bandwidth, band width, squeeze.