canvasjs.com › jJavaScript Candlestick Charts & Graphs | CanvasJS Candlestick Chart forms a column with vertical lines to represent open, high, low and close values of a data point. Candlestick provides a visual support for making decisions in case of Stock, foreign exchange, commodity etc. Candle Stick graphs are beautiful, interactive, support animation, zooming, panning, and cross-browser compatibility.