Highcharts: Ensure y-Axis 0 value is at chart bottom

Question

I\'m outputting a series of highcharts on a page. In some instances, all data for the specified time period may come back with 0 values.

In such a case, the chart looks

Answer 1

minRange : 1 or whatever you feel so to be displayed in fractions of
softMax : 100 or whatever you feel so

yAxis: {
         minRange : 1,
         softMax: 100
       }