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I am working with the synchronised chart of Highchart. Pretty cool. However, I would like to »dictate« the min and max values for the yAxis. I added these two parameters into the JSON file, but they are not being accepted unfortunately.

JSON file:

    "unit": "km/h",
    "type": "line",
    "min": -2,
    "max": 16,
yAxis definition:
     yAxis: {
        title: {
           text: null
        min: dataset.min,
        max: dataset.max
but that doesn't work. Any idea why? Here is the original graphic I am working with. Here is a fiddle.
As a solution disable startOnTick and endOnTick options or use tickPositioner function to calculate and set tick postion manually, for example:
            yAxis: {
                tickPositioner: function(){
                    var ticks = [],
                    step = (dataset.max - dataset.min) / 4;
                  for (var i = dataset.min; i <= dataset.max; i += step) {
                    ticks.push(i);
                  return ticks;
Live demo: https://jsfiddle.net/BlackLabel/ev5hz0pk/
API Reference: 
https://api.highcharts.com/highcharts/yAxis.max
https://api.highcharts.com/highcharts/yAxis.tickPositioner
                Great. Thanks so much! Just a small thing: It should be »enable StartOnTick and endOnTick« and not »disable«.
– luftikus143
                Feb 19, 2020 at 6:58
        
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