Welcome to the Highcharts Stock JS (highstock) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

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series.areaspline.tooltip.changeDecimals

How many decimals to show for the point.change or the point.cumulativeSum value when the series.compare or the series.cumulative option is set. This is overridable in each series' tooltip options object.