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Keith,
I don't see a problem with Sell=Cond AND Year()==1998 giving (Open Long) 10/23/98 to 5/23/03.
Cond was clearly not met per your range result [(Open Long) 10/23/98 to 12/31/98].
If you don't close open positions via range, you will need an additional sell statement.
I'd try Sell = dateNum() > 981231;
Bob
-----Original Message-----
From: Keith Bennett [mailto:kbennett@xxxxxxxxxx]
Sent: Sunday, May 25, 2003 9:05 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Date range problem....
Mike: No luck with that either. Also tried to use Datenum but that
doesn't work either.
What I am trying to backtest are Buys and Sells, but only if they
occur (for example) in 1998.
This is achieved without problem using the range control, but I can't
get it to work using a date function in the afl.
Keith
--- In amibroker@xxxxxxxxxxxxxxx, walt <WSCHWARZ@xxxx> wrote:
> Kieth,
>
> In general if you refer to a date (without time) it assumes time of
12 am.
>
> Try to use 1/1/99...
>
> Walt
> -----Original Message-----
> From: Keith Bennett [mailto:kbennett@x...]
> Sent: Sunday, May 25, 2003 6:50 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Date range problem....
>
>
> Thanks Mike, but that doesn't do the trick.
>
> Keith
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Mike Lucero" <m.lucero@xxxx>
wrote:
> > I'm not sure of the syntax, but you want your sell condition to
be
> >
> > Sell=Cond OR Date=12/31/98
> > ----- Original Message -----
> > From: "Keith Bennett" <kbennett@xxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Sunday, May 25, 2003 2:14 AM
> > Subject: [amibroker] Date range problem....
> >
> >
> > Can anyone see my error:
> >
> > I set the range in AA to 1/1/1998 to 12/31/1998.
> >
> > Buy = Cond;Sell = Cond;
> > Short = Sell;Cover = Buy;
> >
> > This correctly produces 13 trades. The first is 1/2/98 to
1/8/98 and
> > the last is (Open Long) 10/23/98 to 12/31/98. No problem.
> >
> > I set the range in AA to All Quotations:
> >
> > Buy=Cond AND Year()==1998;
> > Sell=Cond and Year()==1998;
> > Short=Sell;Cover=Buy;
> >
> > The first trade is still 1/2/98 but the last is (Open Long)
10/23/98
> > to 5/23/03 and for this reason % profit is not correct for 1998.
> >
> > How do I get the afl to respect the Year() function after the
Sell
> > statement?
> >
> > Keith
> >
> >
> >
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