It forces the Open indicator to use the candlestick open values. For example, if you need to use a Heikin-Ashi chart with the Open indicator based on regular candlestick data, this indicator will ensure it does not change.
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 publications is governed by House rules. You can favorite it to use it on a chart.
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