NegativeVolumeIndex(SeriesCollection) Method
We evaluate the Negative Volume Index(NVI) wich take in the consideration the days where volume decrease from the prevoius day.
Syntax
'Declaration Public Overloads Shared Function NegativeVolumeIndex( _ ByVal sc As SeriesCollection _ ) As SeriesCollection
'Usage Dim sc As SeriesCollection Dim value As SeriesCollection value = FinancialEngine.NegativeVolumeIndex(sc)
public static SeriesCollection NegativeVolumeIndex( SeriesCollection sc )
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.
Exceptions
| Exception | Description |
|---|---|
| System.ArgumentException | Thrown if the series contain negative values. |
Remarks
Indicator Formula
The formula for this indicator is:
If the volume is less then the yesterday volume then: NVI = Yesterday's NVI + (((Close - Yesterday's Close)/Yesterday's Close) *Yesterday's NVI)
If today's volume is greater than or equal to yesterday's volume then:
NVI = Yesterday's NVI
Allways the first element of an financial array will be a value of the most recent period considered.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
See Also