seriesDefaults.spacing Number (default: 0.4)

The space between the chart series as proportion of the series width.

The spacing option is supported when series.type is set to "bar", "column", "candlestick", "ohlc" and "candlestick".

Example - set the chart series spacing

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  seriesDefaults: {
    spacing: 0.1
  },
  series: [
    { data: [ 1, 2 ,3 ] },
    { data: [ 1, 2 ,3 ] }
  ]
});
</script>