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Malcolm,
1. There is no limit (that I know of) to the number of symbols that can go into a composite. I have used over 35,000 in my composites when backtesting against data included delisted stocks.
2. Cover is a 'buy' that is used to close out a short position. The distinction is necessary so that you can deal with both the opening of a long position and the closing of a short position without ambiguity.
Mike
--- In amibroker@xxxxxxxxxxxxxxx, malcolm Crouch <malcolm.croucher@xxx> wrote:
>
> Hi Mike ,
>
> Im busy reading the pdf now . This looks like something very useful .
>
> Thanks for this .
>
> basically it telling you to create a composite (as apposed to a sector ) or
> even a portfolio and from that you can do wonderful things , for instance
> you can calculate your composite RSI or MACD , you can also get your
> advance and decline levels for this composite .
>
>
> Some Questions :
> 1.How many Stocks can you add to the composite ? The examples dont put
> tickers in , but i assumer quite a few .
> 2. Whats the difference between Cover and buy ? I always thought they were
> the same .
>
> Buy=Cross(17,StochRsi);
> Sell=Cross(StochRsi,83);
> Short=Cross(StochRsi,83);
> Cover=Cross(17,StochRsi);
>
> thats it for now .
>
> Cheers
>
> Malcolm
>
>
>
>
> On Tue, Jul 28, 2009 at 5:39 AM, Mike <sfclimbers@xxx> wrote:
>
> >
> >
> > Also look at AdvIssues, AdvVolume
> >
> > http://www.amibroker.com/guide/afl/afl_view.php?id=15
> > http://www.amibroker.com/guide/afl/afl_view.php?id=10
> >
> > Mike
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx <amibroker%40yahoogroups.com>, "Mike"
> > <sfclimbers@> wrote:
> > >
> > > Read the excellent guide by Herman on AddToComposite, pages 13, 14 in
> > particular should address your needs.
> > >
> > > http://www.amibroker.org/3rdparty/IntroToAtc.pdf
> > >
> > > Mike
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx <amibroker%40yahoogroups.com>, malcolm
> > Crouch <malcolm.croucher@> wrote:
> > > >
> > > > i am wondering if there is any way to calculate the following in AFL:
> > > > 1.Number of Stocks up
> > > > 2.Volume up stocks
> > > >
> > > > Regards
> > > >
> > > > Malcolm
> > > >
> > >
> >
> >
> >
>
>
>
> --
> Malcolm A.B Croucher
>
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