Welcome to theHighcharts JSOptions Reference

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

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The maximum value of the axis. Ifnull, the max value is automatically calculated.

If theendOnTickoption is true, themaxvalue might be rounded up.

If atickAmountis set, the axis may be extended beyond the set max in order to reach the given number of ticks. The same may happen in a chart with multiple axes, determined bychart. alignTicks, where atickAmountis applied internally.