In the same way that I make the donchian histogram , we can make a histogram for bollinger
above zero =buy , green color
bellow zero =sell. red color
try to play with setting to get optimal results
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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