Re: [amibroker] Comparing Two Symbols Error Problem

[Alan <alan@xxxxxxxxxxxxxx>]

Thanks Ara and Steve for the help with the code.

Regards,
Alan

Ara Kaloustian wrote:
>
> Use
>
> y = Foreign("QQQQ", "Close"); // current price for QQQQ
> x = Ref(y,-260);
>
> ----- Original Message -----
> From: "Alan" <alan@xxxxxxxxxxxxxx <mailto:alan%40thenorthams.us>>
> To: <amibroker@xxxxxxxxxxxxxxx <mailto:amibroker%40yahoogroups.com>>
> Sent: Saturday, November 28, 2009 8:39 AM
> Subject: [amibroker] Comparing Two Symbols Error Problem
>
> > To group:
> >
> > I am trying to compare AAPL to QQQQ over the last 260 trading days.
> > Everything works except that I get an error with variable 'x' when
> > trying to return the closing price for QQQQ 260 days ago. Can someone
> > correct the coding for variable 'x'?
> >
> > // CURRENT SYMBOL
> > a = Ref(Close, -260); // closing price one year ago
> > b = Close; // current price
> > perf = b / a; // Performance = current price divided by the current
> > price one year ago
> >
> > // FOREIGN SYMBOL
> > x = Foreign("QQQQ", Ref(Close, -260)); // closing price of QQQQ one 
> year
> > ago
> > y = Foreign("QQQQ", "Close"); // current price for QQQQ
> > perf_foreign = y / x ; // Performance = current price of QQQQ divided by
> > price of QQQQ one year ago
> >
> > // RELATIVE PRICE COMPARATIVE
> > rpc = perf / perf_foreign ; // compares the current symbol to the QQQQ's
> >
> > // PLOT RESULTS
> > Plot(perf, "ticker", colorDarkGreen, 1); // plot current symbol
> > performance
> > Plot(perf_foreign, "QQQQ", colorRed, 1); // plot performance of QQQQ
> > Plot(rpc, "Rel_Price_Comp", colorBlack, 32); // plot Relative Price
> > Comparative
> >
> > Alan-
> > <http://www.eset.com <http://www.eset.com>>
> >
> >
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> 
>
>
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------------------------------------

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