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I carry the entire Toronto and Vancouver Stock Exchange list in my database.
I also carry a database of all mutual funds available in Canada. Data
import used to be pretty slow but Thomaz fixed that early on in the
development of AmiBroker. One thing I do with analysis is filter out
equities not in my price range - ie I usually exclude equities over $40 CAD
but I still want them in my database for the day I can afford them in volume
(eternal optimist). I usually filter out equities under $1.00 as I am not
interested in the penney market but I still want them in my database as
there are a lot of tech startups and biotechs in that price range which may
be the next big thing. In short, I want a complete database but I filter
out by price to suit my trading patterns. Filtering with AFL is easy in the
analysis window using the < > functions. If you have the hard drive space
and computing power you might want to consider doing the same.
THE CRAZY CANUCK
CARLTON McEACHERN
BOX 259, RR #1
ASTORVILLE, ONTARIO
P0H 1B0 CANADA
-----Original Message-----
From: acs64@xxxx [mailto:acs64@x...]
Sent: Sunday, May 20, 2001 9:18 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] WOW....This may be TOO much
Hello All,
Now that I have this mega-database of over 9,000 stocks, what do I do
with it? I'm thinking that daily updates with this size of database
may be too time consuming. Historical updates sure have taken some
time. Any suggestions out there for culling it back to a more
manageable size and what a manageable size might be based on your
experience?
I'd like to keep key representatives from different sectors and
industries maybe.....Is it possible to automate, with any of Ami's
language, a means of keeping the best and dumping the rest? I'm very
curious what others may have done or what their approach to data
overload is. Thanks in advance.
Larry
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