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!
Lui On Tue, Feb 1, 2011 at 7:21 PM, Guy Green <[email protected]> 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 >> > > -- > View this message in context: > http://r.789695.n4.nabble.com/Free-Stock-Quotes-Yahoo-Finance-Adjusted-Closing-Prices-tp3253189p3253230.html > Sent from the Rmetrics mailing list archive at Nabble.com. > > _______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-sig-finance > -- Subscriber-posting only. If you want to post, subscribe first. > -- Also note that this is not the r-help list where general R questions > should go. > _______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-sig-finance -- Subscriber-posting only. If you want to post, subscribe first. -- Also note that this is not the r-help list where general R questions should go.
