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Ed,
I actually like your thought process and would love to see the
bullish version. It might also help me to see the error.
About the OS. If you take a value of 30 and subtract the index from
it you will end up with a number that is less that zero most of the
time. This my be part of the problem.
We'll get it figured out.
Preston
--- In equismetastock@xxxxxxxxxxxxxxx, "Edmund Woltynski" <edwol@xxx>
wrote:
>
> Preston
>
> This is just an indicator not a system to be displayed on a chart.
So
> trading rules are a separate issue and relate to how you wish to
use any
> trailing stop.
> The indicator applied to bar that say at the start of a down trend
> historically (eg input date) should show get eventually closer to
the top of
> the bar depending on the value of the expression above ie stop.
>
> Everything works correctly except for the BearStop expression. For
example
> Plotting a binary say "Stop<PREV AND Stop< InitStop,Stop" in a down
trend
> always gives a value of zero and yet "Stop" is non-zero and also
> diminishing. For some reason these Boolean expressions seem to not
evaluate
> remaining zero at all times regardless of Stop & InitStop values.
>
> The converse indicator i.e. reverse the operators (eg Stop<PREV AND
Stop<
> InitStop,Stop to Stop>PREV AND Stop> InitStop,Stop etc and replace
HIGH with
> LOW throughout the indicator and change OS) works correctly on the
long
> side, the trailing stop moves in steps upwards until it hugs the
LOWs.
>
> It seems to me that there is something peculiar in the way PREV
works.
>
> Ed
>
> -----Original Message-----
> From: equismetastock@xxxxxxxxxxxxxxx
> [mailto:equismetastock@xxxxxxxxxxxxxxx]On Behalf Of pumrysh
> Sent: Friday, 19 September 2008 4:28 AM
> To: equismetastock@xxxxxxxxxxxxxxx
> Subject: [EquisMetaStock Group] Re: Short side Trailing Stop
>
> Ed,
>
> I see several problems. It may take a bit before I can get it
> resolved.
>
> In the meantime can you give me the trading rules you wish to
follow?
>
> Preston
>
> --- In equismetastock@xxxxxxxxxxxxxxx
> <mailto:equismetastock%40yahoogroups.com> , "Edmund Woltynski"
<edwol@>
> wrote:
> >
> > Hello Preston and other gurus
> >
> > I am having some issues with the PREV function (I think) in
> developing a
> > trailing stop ratchet (short side). The "BearStop" function gives
> me a zero
> > for all cases everything else above checkout as I expect it to. I
> cannot see
> > the flaw in my logic. Any help would be appreciated.
> >
> > Code:
> > Day:=Input("Day Entered Trade",1,31,19);
> > Mnth:=Input("Month Entered Trade",1,12,4);
> > Yr:=Input("Year Entered Trade",1985,2100,2004);
> > HoldingDays:=BarsSince(Day=DayOfMonth() AND Mnth=Month() AND
Yr=Year
> ());
> >
> > InitStop:=Input("Initial Stop",0,100000,1.52);
> >
> > Index := 100-(100/(1+( PDI(21)/ MDI(21)+0.0001)));
> > OS:=30-Index;
> >
> > Bearish:= CLOSE-(CLOSE*(OS/100));
> > Stop:= If(Bearish>=CLOSE,HIGH +(Bearish-CLOSE),HIGH);
> >
> > BearStop :=
> > If(Stop<PREV AND Stop< InitStop,Stop,
> > If(Stop<PREV AND Stop> InitStop, InitStop,
> > If(Stop>=PREV,PREV,Stop*Holdingdays)));
> >
> > {Plot} Bearstop;
> >
> > Kind Regards,
> > Ed
> > .
> >
>
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