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I have two formulas from Metastocks need to convert into AFL. The
first one is Divergence and second is zero lag filter. Any other CCI
or TRIX formula is welcome. Thanks you in advanced for your help!
First:
//Divergence Formulas
EKA:=3;
I1:=Zig(CCI(14),EKA,%)>Ref(Zig(CCI),EKA,%),-1) AND
Ref(Zig(CCI(14),EKA,%),-1)<Ref(Zig(CCI(14),EKA,%),-2);
V1:=ValueWhen(1,I1,Ref(Zig(CCI(14),EKA,%),-1));
V2:=ValueWhen(1,I1,Ref(C,-1));
V3:=ValueWhen(2,I1,Ref(Zig(CCI(14),EKA,%),-1));
V4:=ValueWhen(2,I1,Ref(C,-1));
C1:=V1>V3 AND V2<V4;
C1 AND Ref(C1,-1)=0 AND CCI(14)>Ref(CCI(14),-1)
//Double successive divergence
I1:=Zig(CCI(14),3,%)>Ref(Zig(CCI(14),3,%),-1) AND
Ref(Zig(CCI(14),3,%),-1)<Ref(Zig(CCI(14),3,%),-2);
V1:=ValueWhen(1,I1,Ref(Zig(CCI(14),3,%),-1));
V2:=ValueWhen(1,I1,Ref(C,-1));
V3:=ValueWhen(2,I1,Ref(Zig(CCI(14),3,%),-1));
V4:=ValueWhen(2,I1,Ref(C,-1));
V5:=ValueWhen(3,I1,Ref(Zig(CCI(14),3,%),-1));
V6:=ValueWhen(3,I1,Ref(C,-1));
C1:=V1<V3 AND V2>V4 AND V3<V5 AND V4>V6;
C1 AND Ref(C1,-1)=0 AND CCI(14)>Ref(CCI(14),-1)
Second:
// zero lag IIR filter
pds:=Input("number of periods",1,20,5);
x:=2/(pds+1);
xI:=LastValue((1/x)-1);
(x*((2*C)-Ref(C,-xI)))+((1-x)*PREV)
// zero lag FIR filter
(C+(3.5*Ref(C,-1))+(4.5*Ref(C,-2))+(3*Ref(C,-3))+(.5*Ref(C,-4))-
(.5*Ref(C,-5))-(1.5*Ref(C,-6)))/10.5
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