This indicator ads option to compare BandWidth accross time. John Bollinger says he uses 125 period.
Release Notes:
Overlay setting changed to true from false which means that indicator will open in its own pane below chart
Open-source script
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules.
You can favorite it to use it on a chart.
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