NinjaScript > Language Reference > Common > System Indicator Methods

Description

The Vortex indicator is an oscillator used to identify trends. A bullish signal triggers when the VIPlus line crosses above the VIMinus line. A bearish signal triggers when the VIMinus line crosses above the VIPlus line.

Syntax

Vortex(int period)

Vortex(ISeries<double> input, int period)

Returns VIPlus value
Vortex(int period).VIPlus[int barsAgo]
Vortex(ISeries<double> input, int period).VIPlus[int barsAgo]

Returns VIMinus value
Vortex(int period).VIMinus[int barsAgo]
Vortex(ISeries<double> input, int period).VIMinus[int barsAgo]

Return Value

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

Parameters

input	Indicator source data (?)
period	Number of bars used in the calculation

Examples


// Prints the current VIPlus value of a 14 period Vortex double valueP = Vortex(14).VIPlus[0]; Print("The current Vortex VIPlus value is " + valueP.ToString()); // Prints the current VIMinus value of a 14 period Vortex double valueM = Vortex(14).VIMinus[0]; Print("The current Vortex VIMinusvalue is " + valueM.ToString());

// Prints the current VIPlus value of a 14 period Vortex
double valueP = Vortex(14).VIPlus[0];
Print("The current Vortex VIPlus value is " + valueP.ToString());

// Prints the current VIMinus value of a 14 period Vortex
double valueM = Vortex(14).VIMinus[0];
Print("The current Vortex VIMinusvalue is " + valueM.ToString());