score:2

Accepted answer

Highstock doesn't offer a property that'll do it automatically.

It can be done manually: find the lowest & the highest y value in your data and assign them to yAxis.min & yAxis.max options:

yAxis: {
  min: 380,
  max: 600
},

Live demo: http://jsfiddle.net/BlackLabel/puzxykva/

API: https://api.highcharts.com/highstock/


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