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John,
I misunderstood your "previous 10 day range " as "the last 10 day
range".
I do not know how to scan for a past period and have a single stock
appearence in the result list...
Dimitris Tsokakis
--- In amibroker@xxxx, John Nelson <trader@xxxx> wrote:
>
> ... and your solution to the last N bars is perfectly correct
except that
> there is an embedded assumption that you will always search from
the
> current Close back. See my other replies on this topic.
>
> Sorry if I've whipped up a firestorm here. I think it is a
legitimate
> question though.
>
> -- John
>
>
> On Tue, 16 Jul 2002, dtsokakis wrote:
>
> > Date: Tue, 16 Jul 2002 11:12:29 -0000
> > From: dtsokakis <TSOKAKIS@xxxx>
> > Reply-To: amibroker@xxxx
> > To: amibroker@xxxx
> > Subject: [amibroker] Re: Scanning for stocks not conditions...
> >
> > Anthony,
> > John question is not quite clear for me.
> > John wrote:
> > "I'm trying to Scan/Explore for stocks whose previous 10 day
range is
> > greater than some particular value. This is easy to do in
Explore
> > mode but the output consists of multiple occurences of the same
> > stock.
> > Really, I don't want a list of all the occurences of when the
> > stock's range is greater than the value... I REALLY just want the
> > ticker symbol inserted into the list and then the scan should
move on
> > to the next symbol."
> >
> > If you explore for n=1 last quotation, you will find stocks with
> > CONDITION=TRUE
> > only for the last bar. If for some stock condition was true 5
bars
> > ago, you will miss it.
> > This is why I proposed
> >
> > COND=...;//your condition here
> > x=10;//the days you will search
> > Filter=Sum(COND,x)>=1;
> > AddColumn(C,"");//add any informative columns
> > Set n last quotations n=1 and explore.
> >
> > to explore the last x bars and meet the second requirement of one
> > ticker appearence in the result list.
> > DT
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