[R-SIG-Finance] Free Stock Quotes - Yahoo Finance & Adjusted Closing Prices

Lui ## lui.r.project at googlemail.com
Wed Feb 2 01:25:11 CET 2011

Hello Guy,

thank you very much for your quick response... I will submit the
"inaccuracies" I found.
Any other good stock data provider at hand?
Thanks a lot!


On Tue, Feb 1, 2011 at 7:21 PM, Guy Green <guygreen at netvigator.com> wrote:
> The short answer is that Yahoo sometimes has mistakes, including the issue of
> splits/bonus issues being improperly reflected.  You will on occasions see
> the same thing with every data provider, including the best known paid
> providers.  As far as I know, the Yahoo price data is not their own - I
> think they get it from a wholesale data provider.
> I would suggest that you contact Yahoo.  They will fix it if you explain the
> error - it might take a couple of days.  Use their "
> http://help.yahoo.com/l/us/yahoo/finance/dataissues.html Yahoo! Finance Data
> Inaccuracy Form "
> Guy
> Lui ## wrote:
>> The dataimport works well - however the adjustments do not always seem
>> reasonable to me... Several companies (e.g. Adidas - ADS.DE,
>> Beiersdorf - BEI.DE) have had a stock split - but its not reflected in
>> the adjusted price (only in the UNADJUSTED closing price). Did anybody
>> have a similar problem? Were the adjustments for splits are not made
>> for the quoted adjusted prices but seemingly for the unadjusted? I
>> thought that Yahoo might have mixed up the columns, but the
>> "unadjusted closing prices" sometimes is indeed unadjusted...
>> Does anybody have experience with Yahoo Finance data?
>> Or even better: Does anybody have a more reliable source of stock data
>> (preferably german stocks).
>> Thank you very much!
>> Have a nice week!
>> Lui
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