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That is my problem!!
I need something like the Alert function in your #2 choice to test what the previous position was. A normal Alert will not do as the "trigger" for the previous trade usually have returned to <1, which means that both the long and short triggers might be <1 just before there is a new trigger.
I need something like "IsLong" or "IsShort" to test when a new trigger appears. Some variable needs to be switched to Long/Short and needs to keep that value until the next signal. When the new signal appears, it must then test this variable to decide if a new trade in the opposite direction can be made.
Carl :(
----- Original Message -----
From: Jose Silva
To: equismetastock@xxxxxxxxxxxxxxx
Sent: Monday, November 13, 2006 10:14 PM
Subject: [EquisMetaStock Group] Re: EST long bias problem
Ok, and...
4)If Entry & Exit signals appear on the same bar and the previous
signal was *both long & short*, then give preference to ...
It would be so much simpler if the buy & sell conditions didn't clash.
jose '-)
http://www.metastocktools.com
--- In equismetastock@xxxxxxxxxxxxxxx, "Carl van Heerden" <cj.vh@xxx>
wrote:
>
> Jose.....triple Dutch to me!! I feel like a tulip whacked by a
windmill....
>
> Let me try again:
> The Entry signal is when the Short term RWIL spikes through 1 while
> the Long term RWIH is above 1.
> The Exit signal is when the Short term RWIH spikes trough 1 while
> the Long term RWIL is above 1
>
> 1) If Entry & Exit appears on the same bar and it is the FIRST
> signal, the trade can be ignored for this purpose. It has not
> happened yet in the different data sets I have tested (i.e. the
> first trade has not been Entry & Exit on the same bar), but it can
> conceivably happen.
>
> 2)If Entry & Exit signals appear on the same bar and the previous
> signal was long, then give preference to the short signal.
>
> 3)If Entry & Exit signals appear on the same bar and the previous
> signal was short, then give preference to the long signal.
>
> Your #2 option does not signal a trade when the two signals appear
> on one bar.
>
> ..........hope this is clearer. I appreciate your help.
>
> Carl
>
>
> ----- Original Message -----
> From: Jose Silva
> To: equismetastock@xxxxxxxxxxxxxxx
> Sent: Sunday, November 12, 2006 8:51 PM
> Subject: [EquisMetaStock Group] Re: EST long bias problem
>
>
> Carl, I'm having trouble understanding your request - the
description
> reads like double dutch to me. :) (Apologies for the pun)
>
> The most difficult part of programming any strategy, is
understanding
> and getting the idea across to others. A strategy may at first
seem
> easy to understand from its creator's point of view, but
translating
> it into understandable terms for others is quite an art form.
>
> Try explaining the problem in logical terms:
>
> 1) If Entry & Exit signals appear on the same bar, give
preference to
> ... signal;
>
> 2) If Entry & Exit signals appear on the same bar, and previous
bar
> was Long, give preference to ... signal;
>
> 3) If Entry & Exit signals appear on the same bar, and previous
bar
> was Short, give preference to ... signal;
>
> ... And so on.
>
> jose '-)
> http://www.metastocktools.com
>
> --- In equismetastock@xxxxxxxxxxxxxxx, "Carl van
> Heerden" <cj.vh@> wrote:
> >
> > Hi Jose,
> >
> > I appreciate your reply.
> >
> > The difference between the MA cross-over used in your example
and
> the RWI is that the RWI signals the start of the trade with a one
> bar "spike" through 1. The indicator might stay above 1 for
several
> bars or might return to below one immediately, but the signal
will
> still be valid (unlike with a MA where the signal reverses when C
> crosses the MA). The reverse RWI signal (say the SHORT signal)
> takes place when a slightly different indicator spikes through 1.
> This might even happen while the "Long" indicator is still above
1.
> This would still indicate a reversal. I want the system to then
take
> the opposite position, even though both signals are above one.
The
> Alert function is difficult to use in this case.
> >
> > Regards
> >
> > Carl
> >
> >
> >
> >
> > ----- Original Message -----
> >
> > From: Jose Silva
> > To: equismetastock@xxxxxxxxxxxxxxx
> > Sent: Saturday, November 11, 2006 10:56 AM
> > Subject: [EquisMetaStock Group] Re: AST long bias problem
> >
> > Carl, take a look at the indicator code below, and in particular
> > note how option #2 deals with same-bar trades.
> >
> > MetaStock -> Tools -> Indicator Builder -> New ->
> > -> copy & paste complete formulae between "---8<---" lines.
> >
> > ====================
> > System trade signals
> > ====================
> > ---8<---------------------------
> >
> > { System trade signals v3.2
> >
> > ©Copyright 2005-2006 Jose Silva
> > For personal use only.
> > http://www.metastocktools.com
> >
> > Note on simultaneous entry/exit on same bar:
> > #[1] Ignore:
> > entry/exit signals cancel each other;
> > #[2] Preference (given to):
> > new entry if currently Short,
> > new exit if currently Long.}
> >
> > { Signals reference example }
> > entry:=C>Mov(C,21,E);
> > exit:=C<Mov(C,10,E);
> >
> > { User inputs }
> > plot:=Input("Signals: [1]Clean, [2]All, [3]Trade binary",1,3,1);
> > choose:=Input("Simultaneous entry/exit: [1]Ignore,
> > [2]Preference",1,2,2);
> > delay:=Input("Entry and Exit delay",0,5,0);
> >
> > { Initialize signals }
> > init:=Cum(IsDefined(entry+exit))=1;
> >
> > { #1 - Ignore entry/exit on same bar }
> > bin1:=ValueWhen(1,entry-exit<>0 OR init,entry);
> > long:=bin1*(Alert(bin1=0,2)
> > OR entry*Cum(entry)=1);
> > short:=(bin1=0)*(Alert(bin1,2)
> > OR exit*Cum(exit)=1);
> > signals1:=long-short;
> >
> > { #2 - Preference to first entry/exit }
> > long:=entry*(Alert(entry=0,2)
> > OR entry*Cum(entry)=1);
> > short:=exit*(Alert(exit=0,2)
> > OR exit*Cum(exit)=1);
> > bin2:=ValueWhen(1,long-short<>0 OR init,long);
> > long:=bin2*(Alert(bin2=0,2)
> > OR entry*Cum(entry)=1);
> > short:=(bin2=0)*(Alert(bin2,2)
> > OR exit*Cum(exit)=1);
> > signals2:=long-short;
> >
> > { Select #1 or #2 }
> > binary:=If(choose=1,bin1,bin2);
> > signals:=If(choose=1,signals1,signals2);
> >
> > { Plot in own window }
> > Ref(If(plot=2,entry,0),-delay);
> > Ref(If(plot=1,signals,
> > If(plot=2,-exit,binary)),-delay)
> >
> > ---8<---------------------------
> >
> > jose '-)
> > http://www.metastocktools.com
> >
> >
> >
> > --- In equismetastock@xxxxxxxxxxxxxxx, "Carl van
Heerden" <cj.vh@>
> > wrote:
> >
> > Hi Jose,
> >
> > Here is the basic code
> >
> > To go long:
> > RWIL(opt1,opt2)>1
> >
> > AND RWIH(opt3,opt4)>1
> >
> > To go Short:
> > RWIH(opt1,opt2)>1
> >
> > AND RWIL(opt3,opt4)>1
> >
> > Straight forward, until it happens that both triggers are on the
> > same bar. Then the Order Bias is forced either Long or Short
> > according to your choice in EST. As I wrote before, the trades
need
> > to alternate.
> >
> > Regards
> >
> > Carl
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