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Re: [amibroker] Re: New Yahoo US-Stocks Database



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Yahoo's quotes are posted by a third party data supplier.  So, the key question is where does Yahoo get its data.  As they note:
 
"Historical chart data and daily updates provided by Commodity Systems, Inc. (CSI)."
 
Therefore, as far as data quality goes how good is CSI?  If they are no good, then Yahoo is no good.  If they are good, then Yahoo is good.  There is a chart on CSI's website from a 1999 Futures article that shows CSI had the lowest error rate.  Is there more recent data that indicates otherwise?
 
Bill
 
 
----- Original Message -----
From: "marketmonk777" <RedEyes777@xxxxxxxxx>
Sent: Sunday, October 07, 2007 1:45 AM
Subject: [amibroker] Re: New Yahoo US-Stocks Database

> Hi Jim,
>
> Thanks for creating this file.  I am considering trying out Yahoo as
> an EOD data provider.  Before I do take the time to setup AB with a
> new database, what are the pro's and con's of using Yahoo?
>
> Do you get what you pay for?  Free - so it means you have a lot of
> database maintenance, etc.
>
> Dave
>
> --- In
amibroker@xxxxxxxxxxxxxxx, "jrswindle2001" <jr.ab@xxx> wrote:
>>
>> Greetings all,
>>
>> I have posted a new Yahoo US-Stocks database out on my site. Data is
>> effective as of 10.05.2007 (Friday). The Excel spreadsheet is
>> updated and I have also added an updated US-Stocks database for anyone
>> that wants to download a loaded one, data is from 01.01.2000 to
>> 10.05.2007. About 163mb...
>>
>>
http://www.icc-az.com/update-ab.html
>>
>> Regards,
>> Jim
>>
>
>
>
>
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