Technical indicator

This document introduces the built-in technical indicators in the chart and how to customize a technical indicator.

Built-in technical indicators

Name	Default calc params	Name	Default calc params	Name	Default calc params
MA	[5, 10, 30, 60]	BIAS	[6, 12, 24]	VR	[24, 30]
EMA	[6, 12, 20]	BRAR	[26]	WR	[6, 10, 14]
SMA	[12, 2]	CCI	[13]	MTM	[6, 10]
BBI	[3, 6, 12, 24]	DMI	[14, 6]	EMV	[14, 9]
VOL	[5, 10, 20]	CR	[26, 10, 20, 40, 60]	SAR	[2, 2, 20]
MACD	[12, 26, 9]	PSY	[12, 6]	AO	[5, 34]
BOLL	[20, 2]	DMA	[10, 50, 10]	ROC	[12, 6]
KDJ	[9, 3, 3]	TRIX	[12, 20]	PVT	None
RSI	[6, 12, 24]	OBV	[30]	AVP	None

Custom Indicators

To create a custom indicator, you only need to generate a indicator information, and then add it globally through the chart API registerIndicator , add it to the chart and use it like a built-in indicator. For more examples, refer to the files under https://github.com/klinecharts/KLineChart/tree/main/src/extension/indicator .