Posted by Mohammad Rahhal, Last modified by Diana Alkouni on 14 September 2020 12:21 PM


Public Function WellesWilderSmoothing(chart_ID As Long,applyTo As ENUM_APPLIED_PRICE,period As Integer)As String


The Welles Wilder's Smoothing indicator is similar to an exponential moving average.

The indicator does not use the standard exponential moving average formula. Welles Wilder described 1/14 of today's data + 13/14 of yesterday's average

as a 14-day exponential moving average.


Key Description 
chart_Id Chart identifier, 0 is the current chart ,value of type Long.
applyTo Applied price , can be one of the  ENUM_APPLIED_PRICE.
period The calculation period, on which the indicator will be calculated, value of type Integer.

Return value

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


Public Sub main()

AlertMessage (WellesWilderSmoothing(0,price_close,14))

'Draws the indicator on chart and shows a message box with the indicator name.

End Sub

See Also

Back to VTL Client Script Index

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