NegativeVolumeIndex(SeriesCollection) Method

We evaluate the Negative Volume Index(NVI) wich take in the consideration the days where volume decrease from the prevoius day.

[Visual Basic]
Overloads Public Shared Function NegativeVolumeIndex( _
   ByVal sc As SeriesCollection _
) As SeriesCollection

[C#]
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
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.

See Also

Language