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Hi everyone,

I have been searching for the calculation of the ADX indicator.
For example in Excel. Recently I found a calculation, but the results differs from the numbers in MetaStock.

Onno

Periods:= Input("Enter time periods",1,100,14);
PlusDM:= If(HIGH>Ref(HIGH,-1) AND
LOW>=Ref(LOW,-1), HIGH-Ref(HIGH,-1),
If(HIGH>Ref(HIGH,-1) AND LOW<Ref(LOW,-1)
AND HIGH-Ref(HIGH,-1)>Ref(LOW,-1)-LOW,
HIGH-Ref(HIGH,-1), 0));
DIPlus:= 100 * Wilders(PlusDM,Periods) /
ATR(Periods);
MinusDM:= If(LOW<Ref(LOW,-1) AND
HIGH<=Ref(HIGH,-1), Ref(LOW,-1)-LOW,
If(HIGH>Ref(HIGH,-1) AND LOW<Ref(LOW,-1)
AND HIGH-Ref(HIGH,-1)<Ref(LOW,-1)-LOW,
Ref(LOW,-1)-LOW, 0));
DIMinus:= 100 * Wilders(MinusDM,Periods)/
ATR(Periods);
DIDif:= Abs(DIPlus - DIMinus);
DISum:= DIPlus + DIMinus;
100 * Wilders(DIDif/DISum, Periods);

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Metastock[at]Metastock[dot]com

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