Return the “Bollinger Band Width” technical indicator value.

The Bollinger band width is calculated by making the difference of the upper and lower band of the original Bollinger Band indicator. High volatility means high value of the indicator.


Calculation :

Indicator = ((Boll+) – (Boll-)) / moving average

This indicator is calculated with the bollinger bands. It helps indicate if the market is in a strong trend or not.

If the indicator rises, the market forms a trend and if the indicator declines, the trend is almost over.

In a market without trend, you can refer to the Bollinger Bands. You can use the lower band as a support and the upper band as a resistance.




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