Fix both y-axis to 0 highcharts - highcharts

Question

I am trying to make a highchart, with both negative and positive values. Now the thing is, that negative values, are not very big, compared to the positive ones.
Here is a picture of the graph as is:
Now if you look closely on both the y-axis, they do not meet up at 0, there is a tiny gap. Is it possible to make them both start at 0, but allowing them to be negative?
This is my code:
Highcharts.chart('chart', {
chart: {
type: 'column'
},
title: {
text: 'Sales Graph'
},
xAxis: {
categories: xAxisTicks
},
plotOptions: {
column: {
stacking: 'normal'
}
},
tooltip: {
formatter: function() {
debugger;
if (this.series.type == "column") {
return '<b>' + this.x + '</b><br/>' +
this.series.name + ': ' + prettyNumber(this.y) + '<br/>' +
'Sales without discount: ' + prettyNumber(this.point.stackTotal);
} else {
return '<b>' + this.x + '</b><br/>' +
this.series.name + ': ' + prettyNumber(this.y) + '<br/>';
}
}
},
colors: ['yellow', 'orange', 'red', 'blue', 'green', 'red', 'blue', 'green'],
yAxis: [
{
title: {
text: 'Daily sales'
},
min: minYAxisValue,
startOnTick: false
}, {
title: {
text: 'Accumulated sales'
},
min: minYAxisValue,
startOnTick: false,
opposite: true
}
],
series: data
});

Answer 1

If you want two to align 0 tick together that is not yet possible with highcharts. Follow this discussion https://highcharts.uservoice.com/forums/55896-general/suggestions/2554384-multiple-axis-alignment-control?page=3&per_page=20.
However you can try this simple workaround:
Have fixed min/max on both y Axes:
yAxis: [{ min: minYAxisValue, max: maxYAxisValue }
Or just link second axis to the first:
yAxis: [{ opposite: true, linkedTo: 0 }