Identify market tops/ bottoms: Advance/ Decline Volume >89%

Marks days with up-volume or down-volume greater than 89%. Helps to identify market bottoms or tops.
(Data from NYSE stock exchange)
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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