Posted by Mohammad Rahhal, Last modified by Diana Alkouni on 14 September 2020 12:37 PM


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.


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

Return value

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


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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