Knowledgebase:
StandardDeviation
Posted by Mohammad Rahhal, Last modified by Rawan Al Hourani on 15 June 2016 02:11 PM

Syntax

Public Function StandardDeviation(chart_ID As Long,applyTo As ENUM_APPLIED_PRICE, period As Integer, StandardDev As Double,Ma As ENUM_MA_METHOD) As String

Standard Deviation is a common statistical calculation that measures volatility.

Other technical indicators are often calculated using standard deviations.

Major highs and lows often accompany extreme volatility.

High values of standard deviations indicate that the price or indicator is more volatile than usual.

Parameters

Key Description 
chart_id Chart identifier, 0 is the current chart ,value of type Long
applyTo Applied price , value of type  ENUM_APPLIED_PRICE.
period The calculation period, on which the indicator will be calculated, value of type Integer.
StandardDev Standard Deviations value of type Double.
Ma Moving average type , value of type  ENUM_MA_METHOD.

Return value

Returns the handles of a technical indicator, in case of failure returns an empty string.

Sample

Public Sub main()

AlertMessage (StandardDeviation(0,Price_close,20,2.0,1))

'Draws the indicator on chart and shows an AlertMessage with the indicator name.

End Sub


See Also


Back to VTL Client Script Index

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