NinjaScript > Language Reference > Common > System Indicator Methods

Description

Keltner Channel indicator is based on volatility using a pair of values placed as an "envelope" around the data field.

Syntax

KeltnerChannel(double offsetMultiplier, int period)
KeltnerChannel(ISeries<double> input, double offsetMultiplier, int period)

Returns midline value
KeltnerChannel(double offsetMultiplier, int period)[int barsAgo]
KeltnerChannel(ISeries<double> input, double offsetMultiplier, int period)[int barsAgo]

Returns upper band value
KeltnerChannel(double offsetMultiplier, int period).Upper[int barsAgo]
KeltnerChannel(ISeries<double> input, double offsetMultiplier, int period).Upper[int barsAgo]

Returns lower band value
KeltnerChannel(double offsetMultiplier, int period).Lower[int barsAgo]
KeltnerChannel(ISeries<double> input, double offsetMultiplier, int period).Lower[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 upper value of a 20 period KeltnerChannel using default price type double value = KeltnerChannel(1.5, 20).Upper[0]; Print("The current KeltnerChannel upper value is " + value.ToString()); // Prints the current lower value of a 20 period KeltnerChannel using high price type double value = KeltnerChannel(High, 1.5, 20).Lower[0]; Print("The current KeltnerChannel lower value is " + value.ToString());

// Prints the current upper value of a 20 period KeltnerChannel using default price type
double value = KeltnerChannel(1.5, 20).Upper[0];
Print("The current KeltnerChannel upper value is " + value.ToString());

// Prints the current lower value of a 20 period KeltnerChannel using high price type
double value = KeltnerChannel(High, 1.5, 20).Lower[0];
Print("The current KeltnerChannel lower 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.