Understanding Highcharts Stock

Highcharts Stock is based on Highcharts, meaning it has all the core functionality of Highcharts, plus some additional features.

understanding_highstock.png

Highcharts Stock also supports various financial series types.

chart.series[0].update({
    type: 'candlestick'
});

See Update series method and series API options.

Allows you to fine tune the range of the chart which is displayed and scroll through it.

See Navigator for more information.

chart.update({
    navigator: {
        enabled: true,
        height: 100
    },
    scrollbar: {
        enabled: false
    }
});

To update navigator and scrollbar use Chart update. See navigator API options.

Range selector

Allows you to quickly select a range to be shown on the chart or specify the exact interval to be shown.

See Range selector for more information.

chart.update({
    rangeSelector: {
        enabled: true
    }
});

To update range selector use Chart update. See range selector API options.

Crosshair

Shows a line perpendicular to the corresponding axis which is following the mouse position or nearest point, depending on the crosshair.snap property. This functionality can be found in the axis API options. Crosshairs can also be used in Highcharts Core (without Stock module), but are not enabled by default.

chart.xAxis[0].update({
    crosshair: {
        snap: false
    }
});

Crosshair is an axis property, therefore update it via Axis update. See axis API options.

Data grouping

Automatically groups multiple points into a single point to improve readability. The displayed value for a grouped point depends on the approximation function which is set by default depending on the series type, but can be manually overwritten. The amount of points in a single group is selected based on the zoom level, data density and user options.

See Data grouping for more information.

chart.series[0].update({
    dataGrouping: {
        groupAll: true
    }
});

Data grouping is a series property, therefore update it via Series update. See data grouping API options.

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