Identifying narrow angles helps to find breakouts
Maximum angle = High chance of reversal
Minimum angle = Chance of breakouts on the next day or upcoming days.
I personally use price flow to simplify the flow of chart and to identify breakouts using rounding bottoms and rounding top patterns, sharp corners for reversals.
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Combine it with other indicators for better result.
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.