Markers for column type series

by J. Albert Bowden

HTML

<script src="https://code.highcharts.com/stock/highstock.js"></script>
<script src="https://code.highcharts.com/stock/modules/exporting.js"></script>
<script src="https://rawgithub.com/highslide-software/trackball/master/trackball.js"></script>
<div id="container" style="height: 500px; min-width: 500px"></div>

JavaScript

$(function () {
    $.getJSON('https://www.highcharts.com/samples/data/jsonp.php?filename=aapl-ohlcv.json&callback=?', function (data) {

        // split the data set into ohlc and volume
        var ohlc = [],
            volume = [],
            dataLength = data.length;

        for (i = 0; i < dataLength; i++) {
            ohlc.push([
            data[i][0], // the date
            data[i][1], // open
            data[i][2], // high
            data[i][3], // low
            data[i][4] // close
            ]);

            volume.push([
            data[i][0], // the date
            data[i][5] // the volume
            ]);
        }

        // set the allowed units for data grouping
        var groupingUnits = [
            [
                'week', // unit name
            [1] // allowed multiples
            ],
            [
                'month', [1, 2, 3, 4, 6]]
        ];

        // create the chart
        $('#container').highcharts('StockChart', {

            rangeSelector: {
                selected: 1
            },

            title: {
                text: 'AAPL Historical'
            },

            yAxis: [{
                title: {
                    text: 'OHLC'
                },
                height: 200,
                lineWidth: 2
            }, {
                title: {
                    text: 'Volume'
                },
                top: 300,
                height: 100,
                offset: 0,
                lineWidth: 2
            }],

            series: [{
                type: 'candlestick',
                name: 'AAPL',
                data: ohlc,
                dataGrouping: {
                    units: groupingUnits
                }
            }, {
                type: 'column',
                name: 'Volume',
                data: volume,
                yAxis: 1,
                dataGrouping: {
                    units: groupingUnits
                }
            }]
        });
    });
});