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Thanks, Mark. I wasn't going to update to most
recent beta ... thought I would wait for V4.0 . I'm a little apprehensive about
betas in general. Well, as they say "No guts, No glory" ! I've just learneda
valueable lesson. " Don't fear to tred where Tomasz has led" . Sorry to be so
"corny" . Gettin with it , got the beta.
Thanks,
Greg
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
MarkF2
To: <A title=amibroker@xxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Sunday, April 21, 2002 7:07
PM
Subject: [amibroker] Re: Code help
requested - Control length of trade
Greg- When you have the potential for multiple
signals, the best way to control trade length is with the ExRemSpan
function that Tomasz recently introduced. The function syntax is
explained in the beta notes. Here's an example. Let's sayyou
always want to sell after 10 bars.Buy = Your buy rules;Buy =
ExRemSpan(Buy, 10);Sell = Ref(Buy, -10);Mark--- In
amibroker@xxxx, "greg" <greg.bean@xxxx> wrote:> Ken,>
> Thanks for bringing me back to that "
sell = Ref(Buy,-20) " I had tried it previously but
something I had done was blocking it. The sell =
Ref(Buy,-20) statement works for me sometimes and then not at
other times. I've got to leave this for awhile, and think about it later.
I can't think anymore at this point.Thanks for your help> >
Greg> ----- Original Message ----- >
From: Ken Close > To: amibroker@xxxx >
Sent: Sunday, April 21, 2002 12:47 PM> Subject: RE:
[amibroker] Code help requested - Control length of trade> >
> Greg: I was thinking that your original statement>
> sell = Ref(Buy,-20) rather than what you tried sell =
Ref(Buy,20);> > Did you ever try this?>
> Ken> -----Original
Message-----> From: greg
[mailto:greg.bean@xxxx]> Sent: Sunday, April 21, 2002 10:02
AM> To: amibroker@xxxx> Subject: Re:
[amibroker] Code help requested - Control length of trade> >
> Hi,> > I think I've got itnow.
My use of ExRem was messing me up. > > This seems to
work ok.> > /* MI Screens BackTest*/>
> //Buy at open on first Monday Of Month //>
> Buyday = DayOfWeek()==1 AND Day()>=1 AND Day()<=7;
// buy on Monday> > //Sell on Friday, 4 weeks
after buy//> > Sellday = DayOfWeek()==5 AND
Day()>=21 AND Day()<=31;//sell on friday>
> Buy=Buyday ;> > Sell= Sellday;
// sell on Friday 20 days after buy> > >
>
//ApplyStop(2,3,Optimize("TrailingStop",15,0,20,5),1);> >
> > Greg> > > > >
> > > ----- Original Message
----- > From: greg
> To: AmiBroker@xxxx
> Sent: Sunday, April 21, 2002 10:12
AM> Subject: [amibroker] Code help requested -
Control length of trade> > >
Hi,> > Been trying a few things forthe
past 3 hours but can't seem to get it right. Please help before I get
divorced :) .> Trade Rules:>
> 1. Buy at open on first monday of
month.> 2. Sell at open on Friday 4 weeks later
(sell after 28 days). That's sell after 20 bars . I think ?>
> Pretty simple. But I guess I'm even more
simple:( > > I've tried
sell=ref(buy,20).
>
sell = barssince(buy)=20> > andvarious
other tthings, but I'm getting nowhere.>
> Here's what I've got so far.>
> /* MI Screens BackTest*/>
> //Buy at open on first Monday Of Month
//> > Buyday = DayOfWeek() ==1; // buy
on Monday> > //Sell on Friday, 4 weeks
after buy//> > Sellday =
DayOfWeek()==5;//sell on friday> >
Buy=Buyday ;> > Sell=Sellday+20; // sell
on Friday 20 days after buy> >
//ApplyStop(2,3,Optimize("TrailingStop",15,0,20,5),1);>
> Buy=ExRem(Buy,Sell);>
> Sell=ExRem(Buy,Sell);> >
> > > > > >
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