Candles + Volume
Preparing ECharts test
If the CDN library stalls, this area will show a controlled error instead of a blank chart.
Keystone Quant Labs
ECharts Lab
ECharts is Apache 2.0/open source and suitable for production dashboards if the UX is good.
What This Page Proves
Use this page to judge whether ECharts should power Keystone dashboards, heatmaps, and analytics boards. The main workstation is still the Lightweight Charts control sample.
Pinned CDN loaded dynamically: echarts@5.5.1