Public Overloads Shared Function AroonDownOverPeriod( _
   ByVal sc As SeriesCollection, _
   ByVal lengthOfPeriod As Integer _
) As SeriesCollection

Visual Basic (Usage)	Copy Code
Dim sc As SeriesCollection Dim lengthOfPeriod As Integer Dim value As SeriesCollection   value = FinancialEngine.AroonDownOverPeriod(sc, lengthOfPeriod)

public static SeriesCollection AroonDownOverPeriod( 
   SeriesCollection sc,
   int lengthOfPeriod
)

Parameters

sc

A collection of series objects. For example, to evaluate this indicator for two series you will need to pass a series collection containing this two series.

lengthOfPeriod

An integer which represents the length of the period over which the indicator will be iteratively evaluated.

Evaluation of the Aroon Down Indicator

The Aroon Down indicator for each period is given by:

100(n - (number of days since last highest high over n days))/n

where n is the number of days being considered (a reasonable default value for n is 14).

Reference