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Keep
in mind that I'm talking about EOD data.
<FONT face=Arial color=#0000ff
size=2>
Also
keep in mind that ALL data vendors have bad data as it arrives from the
exchanges that way and is out of their control. The difference
between vendors (IMO) comes from the effort they put into cleaning up the
data. CSI sends out thousands of data corrections every day, some
going back 10, 15 even 20 years. I report data errors to CSI and
they get fixed and distributed the next day. Many other serious
users do the same. Whether any of those changes are processed by
Yahoo... who knows?
<BLOCKQUOTE
>
<FONT face="Times New Roman"
size=2>-----Original Message-----From: mrdavis9
[mailto:mrdavis9@xxxxxxxxxx]Sent: Friday, September 05, 2003 11:42
AMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re: [amibroker]
Re: new Yahoo web format
I have been reading that Yahoo's historical data comes
from CSI and Chuck Rademacher has said that CSI is his main source of
data. Does CSI have
several different groups of historical data, some of which is not back
adjusted and dirty, that they sell to Yahoo? Below, I have copied on of
Chuck's comments about CSI data.
CSI has the advantage of having backadjusted and
actual prices. IMO, their data is also much cleaner.
Rik, perhaps you mean that the Yahoo servers are
not the most reliable when you say that
Yahoo certainly is not the best source of data. Ron D
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Rik
Rasmussen
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Friday, September 05, 2003 6:23
AM
Subject: RE: [amibroker] Re: new Yahoo
web format
oops. Hit send too quickly.Yahoo certainly is not the
best source of data.Rik RasmussenBest Charts mailing list
moderator<A
href="">http://groups.yahoo.com/group/bestcharts/>
-----Original Message-----> From: Rik Rasmussen
[mailto:hrasmussen@xxxxxxxxx]> Sent: Friday, September 05, 2003 7:17
AM> To: <A
href="">amibroker@xxxxxxxxxxxxxxx>
Subject: RE: [amibroker] Re: new Yahoo web format> > >
> > Rik Rasmussen> Best Charts mailing list
moderator> <A
href="">http://groups.yahoo.com/group/bestcharts/>
> > > > -----Original Message-----> >
From: bvandyke [mailto:bvandyke@xxxxxxx]> > Sent: Friday,
September 05, 2003 4:17 AM> > To: <A
href="">amibroker@xxxxxxxxxxxxxxx>
> Subject: [amibroker] Re: new Yahoo web format> >>
>> > Rik,> > I was able to do my daily update as
usual. It's interesting...yahoo> > now has a footnote that
their Mutual Funds are adjusted for> > Dividends and splits at the
bottom of an Historical page. However> > when you check
yahoo's historical quotes against other sources that> > are well
known for adjusting Mutual Funds for Dividends and splits> > (e.g.
Fasttrack), one finds Yahoo's data is still Not adjusted as> >
they claim for Mutual Funds.> >> >
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