IGRelativeStrengthIndexIndicator Class Reference

Inherits from IGStrategyBasedIndicator : IGFinancialIndicator : IGFinancialSeries : IGSeries : NSObject
Declared in FinancialSeries.h


The IGChartView™ control’s RelativeStrengthIndexIndicator (RSI) is a commonly used measure of market strength/weakness calculated on closing prices during a specified time period. It is based on the premise that prices close higher in strong market periods and lower in weak periods. RSI is the ratio of higher closes to lower closes. The range is 0 to 100.


A value that determines the period for the series. The default value is 14.

@property (nonatomic) NSInteger period

Declared In