getExtremesFromAll property
Whether to use the Y extremes of the total chart width or only the zoomed area when zooming in on parts of the X axis. By default, the Y axis adjusts to the min and max of the visible data. Cartesian series only.
API Docs: https://api.highcharts.com/highcharts/series.boxplot.getExtremesFromAll
Implementation
bool? getExtremesFromAll;