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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plotOptions.columnpyramid.shadow

Whether to apply a drop shadow to the graph line. Since 2.3 the shadow can be an object configuration containing color, offsetX, offsetY, opacity and width.

Note that in some cases, like stacked columns or other dense layouts, the series may cast shadows on each other. In that case, the chart.seriesGroupShadow allows applying a common drop shadow to the whole series group.