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PureBytes Links
Trading Reference Links
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Spyros formula (in-full) is available
at a number of the MetaStock formula sites (see earlier postings), as well as
the "files" area for this group or maybe the Equis MetaStock group site on
Yahoo. An article regarding the indicator , written by Spyros for the
Guppy Newsletter, is also available.
Spyros
will also see this and I'm sure reply in kind.
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Cheers,
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Jono
<FONT face=Tahoma
size=2>-----Original Message-----From: DMC197807
[mailto:dmc197807@xxxxxxxxxxx]Sent: Wednesday, May 21, 2003 4:11
AMTo: Metastockusers@xxxxxxxxxxxxxxxSubject: Re:
[Metastockusers] Roy Larson & zig zag formula
Steve,
I picked this off the subscriber list for TA mag;
maybe it will help you? I didn't find any other Zigzags on the
list.
Doug
METASTOCK CODE FOR ZIGZAG VALIDITY{Zigzag validity by Spyros
Raftopoulos}perc:=Input("Percent",0.2,100,10);Z:=Zig(Close,perc,%);last:=ValueWhen(1,(
Z > Ref(Z,-1) AND Ref(Z,-1) < Ref(Z,-2))OR(Z < Ref(Z,-1) AND
Ref(Z,-1) > Ref(Z,-2)),Ref(Z,-1));pc:=(Close-last) * 100 /
last;pc:= Abs(pc);SD:=(z > Ref(z,-1) AND Ref(z,-1) >
Ref(z,-2))OR(z < Ref(z,-1) AND Ref(z,-1) <
Ref(z,-2));res:=If(pc >= perc ,1,0);If(Alert(res,2) AND
SD,1,res)
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Steve
Grala
To: <A
title=Metastockusers@xxxxxxxxxxxxxxx
href="">Metastockusers@xxxxxxxxxxxxxxx
Sent: Tuesday, May 20, 2003 1:03
PM
Subject: [Metastockusers] Roy Larson
& zig zag formula
He Roy,Can you give me the details of how the zig
zag formula is created? Doesyour zipped MetaStock formula file
explain how the zig zag indicator iscreated in MetaStock? I have
been trying to recreate the indicator myself,but am unable to do
so. The built-in zig zag indicator in MetaStock plotsdata on the
first day and the last day. I really don't see how MetaStockcan do
this. I have not been able to find anyone who knows how the zig
zagindicator is written in MetaStock. I created a formula that
draws a linearline from the first day of data to the last day of data,
but I am unable tohave it switch back and forth at defined percent
intervals. Basically, Icreated a zig without the
zag.A:=If((C-PREV)/PREV<.1,PREV,C);slope:=(LastValue(C)-ValueWhen(1,Cum(1)=1,C))/LastValue(Cum(1));line:=ValueWhen(1,Cum(1)=1,C)+Cum(slope);line;Thanks,SteveTo
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