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Goldwing,
Yesterday's Negative Volume Index would be :
Ref(NVI(),-1)
----- Original Message -----
From: "goldwing01" <GOLDWING01@xxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Saturday, December 27, 2003 9:10 PM
Subject: [amibroker] help with code please
> I have been trying for two days to make this work, just
> have not made it work,so now asking for help.
>
> (V < (ref(V,-1)) then
> NVI = I + (((C - ref(C,-1) / ref(C,-1)))
> If (V >= ref(V,-1)) then
> NVI = I
>
> Where:
>
> C = Today's closing price
> ref(C,-1) = Yesterday's closing price
> I = Yesterday's Negative Volume Index
> NVI = Today's Negative Volume Index
> V = Today's volume
> ref(V,-1) = Yesterday's volume
>
> ________________________________________________________
> this is what I have done up to now.
>
> I= Cum(IIf(V<Ref(V,-1),ROC(C,1),0));
> MA1 = NVI()<= I + (C -Ref(C,-1) / Ref(C,-1));
> MA2=NVI() <= I;
>
> col = IIf( V < Ref( V, -1), colorGreen, colorRed );
> Col2= IIf(V > Ref(V,-1),colorGreen, colorRed );
>
> Plot(V, "Price",Col, MA1, styleBar );
> Plot( V, "Price",Col2, MA2, styleBar );
>
>
>
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