Compare#

The compare tool is used to compare each points' value to the first value in a visible range (or to the first point before the range, more info: compareStart).

compare-percent.png

The compare can be enabled in the chart's options, see the API reference. Available options for the series.compare property are:

  • percent - percentage difference (image above), e.g. if the first visible value is 10 and the current value is 8, then the compare equals to 80% (or -20% when the compareBase is set to 0).
  • value - difference between the values, e.g. if the first visible value is 10 and the currect value is 8, then the compare equals to -2.

The compare can be also enabled/disabled on a specific series by the series.setCompare() method or on all the series belonging to a specific y-axis by the yAxis.setCompare() method.

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