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And (I forgot) the second parameter should be enclosed in quotation marks too:
T_Close = Foreign( "T" , "C" );
As for SAR as Jayson wrote it uses indirectly not only Close but High and Low arrays therefore
you have to use SetForeign
SetForeign("T");
Short = Cross(SAR( 0.005, 0.05), Close);
Cover = Cross(Close, SAR(0.005, 0.05));
RestorePriceArrays();
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "Tomasz Janeczko" <amibroker@xxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Tuesday, March 16, 2004 7:10 PM
Subject: Re: [amibroker] Using Foreign with SAR, Short & Cover
> Paul,
>
> The ticker symbol in Foreign call should be ENCLOSED with QUOTATION MARKS:
>
> T_Close = Foreign( "T" , Close);
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "Paul A." <amibroker@xxxxxxxxxxxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Tuesday, March 16, 2004 6:36 PM
> Subject: [amibroker] Using Foreign with SAR, Short & Cover
>
>
> > T_Close = Foreign(T, Close);
> > Short = Cross(SAR(T_Close, 0.005, 0.05), T_Close);
> > Cover = Cross(T_Close, SAR(T_Close, 0.005, 0.05));
> >
> > What is wrong with the above code for backtesting, please? Yes, I realize
> > that SAR is not documented to take a first argument of a ticker, but then
> > how do I tell SAR that I want it to exit from the current stock when a
> > _different_ stock crosses the different stock's SAR?
> >
> > And why am I getting error msgs from the compiler about "T" being
> > "uninitialized"? How do I explain to the compiler that I wish to refer to
> > the "foreign" ticker symbol "T"?
> >
> > Finally, what is wrong with my use of "Short" and "Cover"? I can't get the
> > compiler to accept this usage at all.
> >
> > Thanks for any help.
> >
> > -Paul
> >
> >
> >
> >
> > Send BUG REPORTS to bugs@xxxxxxxxxxxxx
> > Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
> > -----------------------------------------
> > Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> > (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> > --------------------------------------------
> > Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
>
>
> Send BUG REPORTS to bugs@xxxxxxxxxxxxx
> Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
> -----------------------------------------
> Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> --------------------------------------------
> Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> Yahoo! Groups Links
>
>
>
>
>
>
Send BUG REPORTS to bugs@xxxxxxxxxxxxx
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