Public Overloads Shared Function RateOfChange( _
   ByVal seriesName As String, _
   ByVal s As Series, _
   ByVal numberDays As Integer _
) As Series

Visual Basic (Usage)	Copy Code
Dim seriesName As String Dim s As Series Dim numberDays As Integer Dim value As Series   value = FinancialEngine.RateOfChange(seriesName, s, numberDays)

public static Series RateOfChange( 
   string seriesName,
   Series s,
   int numberDays
)

Parameters

seriesName

The name of the series which will be displayed on the chart, i.e. its label.

s

An series where the first element is the closing price in the last trading period, the second term is the closing price in the previous trading period and so on.

numberDays

The number of days before to which the closing price is compared.

Return Value

As with the case with the momentum indicator the rate of change (ROC) indicator on extended values and/or turning points indicates oversold or over brought conditions (respectively).

Reference