This sample illustrates a stock chart with candle series and a Bollinger band indicator. Trackball shows the information about the stock, signalline, upperline, and lowerline value of a day.
In this example, you can see how to render and configure the BollingerBands type Indicator. You can use border,
fill properties to customize the area.
Tooltip is enabled in this example, to see the tooltip in action, hover a point or tap on a point in touch enabled devices.
More information on the BollingerIndicator can be found in this documentation section.