demo D318
Candlestick with a volume pane: JavaScript Data Grid Demo
Price and volume in one chart: a synchronised volume bar under every candle, one x axis, one tooltip, one zoom
volume: '<col>' · volumePane: { height }
A candlestick chart with a volume bar under every candle, coloured by that candle's own rise or fall, sharing one x axis, one tooltip and one zoom gesture with the price pane above it. What used to take two charts kept in step by hand is one chart with a volume column named.
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