NinjaScript > Language Reference > Common > System Indicator Methods

Description

The True Strength Index (TSI) is a momentum-based indicator, developed by William Blau. Designed to determine both trend and overbought/oversold conditions, the TSI is applicable to intraday time frames as well as long term trading.

Syntax

TSI(int fast, int slow)
TSI(ISeries<double> input, int fast, int slow)

Returns default value
TSI(int fast, int slow)[int barsAgo]
TSI(ISeries<double> input, int fast, int slow)[int barsAgo]

Return Value

double; Accessing this method via an index value [int barsAgo] returns the indicator value of the referenced bar.

Parameters

fast	Period of the fast smoothing factor
input	Indicator source data (?)
slow	Period of the slow smoothing factor

Examples


// Prints the current value of a 20 period TSI using default price type double value = TSI(20, 10)[0]; Print("The current TSI value is " + value.ToString()); // Prints the current value of a 20 period TSI using high price type double value = TSI(High, 20, 10)[0]; Print("The current TSI value is " + value.ToString());

Source Code

You can view this indicator method source code by selecting the menu New > NinjaScript Editor > Indicators within the NinjaTrader Control Center window.