thanks to the new request.security_lower_tf()-function we are able to calculate intrabar volume. So here is my approach. Please be aware, that the selected resolution should always be smaller than the selected chart timeframe.
You can find the exact values for bullish and bearish volume in the data window.
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 publication is governed by House rules. You can favorite it to use it on a chart.
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