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For what it?s worth, there have been around 2328 code changes this year
already on the US markets. That?s about 20 a day. The code changes can be
due to a company changing its name (and trading code), or changing its
primary listed exchange (e.g. a stock going from NASDAQ to NYSE).
This is one of the big reasons that many people decide to use the services
of a commercial data vendor rather than spending hours maintaining a
database of security prices. Would you rather spend time developing trading
systems or maintaining your data?
Best regards,
Richard Dale.
Norgate Investor Services
- Premium quality Stock, Futures and Foreign Exchange Data for
markets in Australia, Asia, Canada, Europe, UK & USA -
www.premiumdata.net
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of marketmonk777
Sent: Wednesday, 4 June 2008 8:35 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: JimSwindle> US STOCKS DATABASE UPDATE
I would be interested in this program. But all I am looking for is a
program that creates a list of symbols. What would be nice is for it
to "compare" a current download to a previous download and have a
report generated showing what was added and what is missing.
That way I can decide which stocks to add to my own database.
The benefit to me is that I don't have to strip out symbols from the
pink sheets or OTC BB.
Amiquote does a great job of downloading the data and don't see a need
to replace that functionality.
As for the price .. that would depend on the functionality that you
decide to put into it. Will it work with just Yahoo?
Regards,
MM
--- In amibroker@xxxxxxxxxxxxxxx, "dingo" <dingo@xxx> wrote:
>
> There is not a separate list of added / deleted stocks - Yahoo just
updates
> their site on the fly. You would need to build a new list and compare it
> with those in the database. There is a trail of Yahoo pages that
contains
> what they consider to be the stocks avail in the US - grouped by
sector /
> industry. These pages have to be scraped to get the tickers and
names. Then
> a problem arises when you go to down load quotes for the entire list
that
> you've built by scraping - Yahoo doesn't have quotes for all of them and
> some have even had their tickers changed but the pages haven't been
updated
> yet. Plus, you also get pink sheet stocks and other "stuff". The
indexes,
> etfs, mutual funds, etc are all on their own pages and would have to be
> scraped also.
>
> I've done some of this in a program I wrote several years ago - it even
> updates the quotes and can be scheduled via the scheduler. It will
retireve
> historical, current and fundamental data. What it doesn't do at
present is
> detect those stocks that have no quotes or that have ceased trading
- those
> that give an error msg when you try to use Amiquote. It also does NOT
> update the database - it just builds them and updates the quotes. I
stopped
> working on it because I thought TJ was going to address this and
decided not
> put any more of my time into it.
>
> I can be talked into finishing it but I won't do it for free - I
done quite
> a few free programs for AB and won't do that any more.
>
> Soooo - what's a price that people are willing to pay and and how
many would
> be interested. If theres not that much interest then I won't bother.
>
> d
>
>
> _____
>
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]
On Behalf
> Of cstrader
> Sent: Tuesday, June 03, 2008 6:20 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: Re: [amibroker] JimSwindle> US STOCKS DATABASE UPDATE
>
>
> Hi Ronald,
>
> You say:
>
> ... DOWNLOAD ALL OF THE SYMBOLS THAT "YAHOO" has ADDED in their "YAHOO"
> database of STOCK SYMBOLS AND PRICES, VOL ,etc.
>
> DO YOU KNOW WHERE THAT "ADDED" LIST IS LOCATED?
>
> If YAHOO discontinues carrying a symbol, then their NEW CURRENT list of
> symbols will...NOT...
>
> DO YOU KNOW WHERE THAT "NEW CURRENT" LIST IS LOCATED? AND WHAT IS
THE "NEW
> CURRENT" LIST.
>
> I'M CURIOUS IF IT'S POSSIBLE TO DOWNLOAD THE ENTIRE LIST OF YAHOO STOCKS
> SOMEHOW.
>
> Thanks
>
>
> ----- Original Message -----
> From: Ronald Davis <mailto:xokie7@...>
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, June 03, 2008 5:27 PM
> Subject: Re: [amibroker] JimSwindle> US STOCKS DATABASE UPDATE
>
> Cs, he HAS been doing it for free.
>
> AB does NOT KNOW which symbols are current.
>
> That is why there exists a need DOWNLOAD ALL OF THE SYMBOLS THAT
"YAHOO" has
> ADDED in their "YAHOO" database of STOCK SYMBOLS AND PRICES, VOL
,etc.
>
> If YAHOO discontinues carrying a symbol, then their NEW CURRENT list of
> symbols will , NOT have it anymore, and it will have been purged
from your
> AB database of SYMBOLS in the AB US STOCKS FOLDER. Ron D
>
> ----- Original Message -----
> From: cstrader <mailto:cstrader232@...>
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, June 03, 2008 4:03 PM
> Subject: Re: [amibroker] JimSwindle> US STOCKS DATABASE UPDATE
>
> Aha, I thought Jim was doing this for free. But in any case, how
does AB
> determine which stocks are current and should be on the list? Yahoo has
> almost 40,000 tickers; who determines which ones go into the US
STOCK SYMBOL
> list?
>
>
> Thanks
>
>
> ----- Original Message -----
> From: Ronald <mailto:xokie7@...> Davis
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, June 03, 2008 4:17 PM
> Subject: Re: [amibroker] JimSwindle> US STOCKS DATABASE UPDATE
>
> This origional post was an inquiry asking when Jim Swindle would place a
> LATER than >JAN/4/2008 UPDATED LIST OF US STOCK SYMBOLS on his UPDATE
> website.
>
> Jim was paid to create this updating UPDATING software, so he is not at
> liberty to simply give it away to Amibroker users.
>
> Yes, I would love to help JIM, but I can't think of anything I can do to
> assist writing code FOR a NEW version of this updating software.
> I do recall that Dingo and Jim discussed the possibility of a Joint
effort
> once, BUT I DON'T THINK IT WENT ANYWHERE.
>
>
> HERE IS MORE INFORMATION>>Jim Swindle's US STOCKS DATABASE UPDATE
SITE is
> simply an updated list of the
> most recent SYMBOLS in the US STOCKS FOLDER within Amibroker.
> When you run a download from this site, it installs the MORE RECENT
list of
> the symbols over the OLDER list of symbols.
> This process of UPDATING the symbols must be followed by a HISTORICAL
> download of all of the TICKER data for as far back as you want to
have in
> your database.
>
>
============================================================================
> ===========
>
>
> ----- Original Message -----
> From: cstrader <mailto:cstrader232@...>
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, June 03, 2008 1:46 PM
> Subject: Re: [amibroker] JimSwindle> US STOCKS DATABASE UPDATE
>
> Perhaps we should try to help Jim out a bit. What features would we
want to
> see in such a stocks database?
>
> Thanks
>
>
>
> ----- Original Message -----
> From: Ronald <mailto:xokie7@...> Davis
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, June 03, 2008 9:21 AM
> Subject: [amibroker] JimSwindle> US STOCKS DATABASE UPDATE
>
> Has anyone heard from Jim regarding when a later update will be
available?
>
> This link to Jim Swindle's US STOCKS DATABASE site shows that it
was last
> udated on Jan 4, 2008.
>
> I also recall that Jim was planning to create a method so that each
of us
> could run a LATEST TICKER symbol update an any time.
>
> We all are grateful to Jim for having done this. Ron D
>
>
>
>
>
>
>
>
>
>
<http://www.icc-az.com/icc-az/default.html?http%3A//www.icc-az.com/icc-az/>
>
>
>
>
>
>
>
>
>
>
>
>
>
> No virus found in this incoming message.
> Checked by AVG.
> Version: 8.0.100 / Virus Database: 269.24.6/1480 - Release Date:
6/3/2008
> 7:00 AM
>
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