A spline chart is a variation of the line chart that uses smooth, curved segments instead of straight lines to connect data points. This produces a visually polished look that works well for continuous data such as prices, temperatures, or rates.
This sample compares the daily share prices of ACME Corp. and its main competitor over one month using two spline series. Y-axis labels are formatted with a dollar sign, and a vertical crosshair lets users compare both values at any date. Tooltips display the date as a title with series values in the body, and a legend is enabled for interactive series management.
Follow the step-by-step Line Chart Tutorial to learn how such charts are built. See the Line Chart documentation for all configuration options.