|Visual Basic (Declaration)|
Public Overloads Shared Function RateOfChange( _ ByVal seriesName As String, _ ByVal s As Series, _ ByVal numberDays As Integer _ ) As Series
|Visual Basic (Usage)||Copy Code|
- The name of the series which will be displayed on the chart, i.e. its label.
- 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.
- The number of days before to which the closing price is compared.
Return ValueA series where the first term is the rate of change for the most recent period, the second term is the rate of change for the previous period and so on.
|ArgumentException||Thrown if either parameter is strictly negative.|
The (n-day) rate of change (ROC) is just the last closing price divided by the closing price n-days ago.
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).