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Heikin-Ashi Candlestick Oscillator by Sylvain Vervoort
The above indicator is discussed in TASC December issue. unfortunately, the formula
in MS code is not listed in Traders' Tips (given in article itself only available to subscribers). Could somebody share the code for the above indicator witg us? Thanks.

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Here is the MetaStock formula for the HACO oscillator:

Heikin-Ashi Candlestick Oscillator

{HACO Sylvain Vervoort}
avg:=Input("Up TEMA average: ",1,100,34);
avgdn:=Input("Down TEMA Average: ",1,100,34);
haOpen:=(Ref((O+H+L+C)/4,-1) + PREV)/2;
haC:=((O+H+L+C)/4+haOpen+Max(H,haOpen)+Min(L,haOpen))/4;
TMA1:= Tema(haC,avg);
TMA2:= Tema(TMA1,avg);
Diff:= TMA1 - TMA2;
ZlHa:= TMA1 + Diff;
TMA1:= Tema((H+L)/2,avg);
TMA2:= Tema(TMA1,avg);
Diff:= TMA1 - TMA2;
ZlCl:= TMA1 + Diff;
ZlDif:=ZlCl-ZlHa;
keep2:=ZlDif>=0;
keeping:=(keep1 OR keep2);
keepall:=keeping OR (Ref(keeping,-1) AND (C>=O) OR C>=Ref(C,-1));
keep3:=(Abs(C-O)<(H-L)*.35 AND H>=Ref(L,-1));
utr:=Keepall OR (Ref(keepall,-1) AND keep3);
TMA1:= Tema(haC,avgdn);
TMA2:= Tema(TMA1,avgdn);
Diff:= TMA1 - TMA2;
ZlHa:= TMA1 + Diff;
TMA1:= Tema((H+L)/2,avgdn);
TMA2:= Tema(TMA1,avgdn);
Diff:= TMA1 - TMA2;
ZlCl:= TMA1 + Diff;
ZlDif:=ZlCl-ZlHa;
keep2:=ZlDif<0;
keep3:=Abs(C-O)<(H-L)*.35 AND L<=Ref(H,-1);
keeping:=keep1 OR keep2;
keepall:=keeping OR (Ref(keeping,-1) AND (C<O) OR C<Ref(C,-1));
dtr:=If(Keepall OR (Ref(keepall,-1) AND keep3)=1,1,0);
upw:=dtr=0 AND Ref(dtr,-1) AND utr;
dnw:=utr=0 AND Ref(utr,-1) AND dtr;
result:=If(upw,1,If(dnw,0,PREV));
result

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