That seems to be a very old review. I don't see many of the more popular data providers mentioned. Don't know if the quality of 1999 data can be compared to data provided today.
Dave --- In [email protected], "wavemechanic" <[EMAIL PROTECTED]> wrote: > > Here is one study: http://www.csidata.com/csi/reviews/reprintsep99.html > > Bill > > ----- Original Message ----- > From: "brian_z111" [EMAIL PROTECTED] > To: [email protected] > Sent: Friday, February 15, 2008 12:35 PM > Subject: [amibroker] Re: AP's RT data feed - for MarkK > > > > Steve, > > > > I would like to know how I can decide if EOD data is clean or if > > intraday data is up to the demands. > > > > It is a subject that I don't see much quality discussion on. > > > > For EOD data my best ideas so far are: > > > > 1) Data includes raw data - I can compare raw data to other providers > > raw data - I can't compare it to an absolute benchmark because there > > isn't one. > > > > 2) Data inlcudes a record of all split events and the corresponding > > split factor I can check the event records independently and check > > the math. > > > > 3) I can apply the split factor or see the results of it's > > application so I can check the math. > > > > 4) The event calendar should inlcude non-trading days for the market > > and stand down trading days for companies. > > > > 5) Data can be padded or unpadded (optional). > > > > I can't think of any other way to measure data quality. > > > > I don't think any data provider meets the criteria - maybe a few. > > > > > > For intraday: > > > > What could I possibly do? > > > > Buy raw tick data from several providers, compare them for a > > consensus and filter it myself ? > > > > I am at a loss on that one. > > > > Of course another option is to trade in such a way that bad ticks and > > unclean EOD data don't affect the outcomes very much (that could be a > > lot easier than the above). > > > > brian_z > > > > --- In [email protected], "scourt2000" stevehite@ wrote: > >> > >> > >> Mark, > >> > >> No successful intraday real-time trader who does this full-time > > would > >> ever drop eSignal for Gary's new real-time service. > >> > >> It's a pennywise and pound-foolish decision. > >> > >> He's fine for clean end-of-day data. But he's way out of his > > league > >> for the demands of intraday real-time trading. > >> > >> > >> --- In [email protected], "MarkK" <MailYahoo@> wrote: > >> > > >> > Brian, > >> > > >> > > >> > > >> > So far I am very happy with the QP RT beta testing > >> > > >> > I believe that when it goes live they will be taking a lot of > >> customers away > >> > from the other services > >> > > >> > > >> > > >> > It is a much better value than other things out there, and so far > >> the data > >> > has been accurate > >> > > >> > > >> > > >> > > >> > > >> > MarkK > >> > > >> > > >> > > >> > _____ > >> > > >> > From: [email protected] > > [mailto:[EMAIL PROTECTED] > >> On Behalf > >> > Of brian_z111 > >> > Sent: Friday, February 15, 2008 7:47 AM > >> > To: [email protected] > >> > Subject: [amibroker] Re: AP's RT data feed - for MarkK > >> > > >> > > >> > > >> > > I am looking for an RT data provider. I used eSignal for a > > couple > >> > >of years, then quit and am ready to resart, but don't likr their > >> > >fees. > >> > > >> > QuoteTracker and LiveCharts have the $60 and $20 version of > > eSignal > >> > if you don't mind less backfill and fewer symbols. > >> > > >> > I have read of a few issues with LiveCharts but surely we can > > make > >> it > >> > work (a lot of the problems also came about because people still > >> > wanted it free after it changed to pay for play a year ago - of > >> > course it doesn't work if ou don't pay). > >> > > >> > A couple of users said it was slow - I don't know - I haven't > > tried > >> > it yet but I will. > >> > > >> > brian_z > >> > > >> > --- In [EMAIL PROTECTED] <mailto:amibroker%40yahoogroups.com> > >> ps.com, "Ara > >> > Kaloustian" <ara1@> wrote: > >> > > > >> > > Mark, > >> > > > >> > > I am looking for an RT data provider. I used eSignal for a > > couple > >> > of years, then quit and am ready to resart, but don't likr their > >> fees. > >> > > > >> > > Would you elaborate a bit on AP. Never heard of them > >> > > > >> > > Tx > >> > > > >> > > Ara > >> > > ----- Original Message ----- > >> > > From: MarkK > >> > > To: [EMAIL PROTECTED] <mailto:amibroker%40yahoogroups.com> > >> ps.com > >> > > Sent: Friday, February 15, 2008 3:36 AM > >> > > Subject: RE: [amibroker] New EOD data feed other than Quotes > > Plus > >> > > > >> > > > >> > > Dan, > >> > > > >> > > > >> > > > >> > > I use QP for EOD data, and am happy with the fundamental data > >> > that they provide. Not sure there is another service that offers > > as > >> > much in that area > >> > > > >> > > I also use Fast Track for EOD data. Some market internal data, > >> > no fundamental data to speak of, however the data has been > > cleaner > >> > than QP EOD day data. For Mutual fund data not sure there is a > >> > better service out there. > >> > > > >> > > > >> > > > >> > > Have been an e-signal subscriber for RT data now for 4 years. I > >> > cancelled my subscription since they kept raising their prices, > > and > >> > went to IQ feed. Used them for a month then they raised their > >> > prices. Luckily I was abe to beta test AP's RT data feed. So far > >> > they have been very responsive on the changed needed to make it > > an > >> > excellent RT service, and at a reasonable price. > >> > > > >> > > > >> > > > >> > > I would suggest you get hold of Gary at QP and let him know > > about > >> > your issue. I would think you will become a satisfied customer > > once > >> > again > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > MarkK > >> > > > >> > > > >> > > > >> > > > >> > > ---------------------------------------------------------- > >> > ---------- > >> > > > >> > > From: [EMAIL PROTECTED] <mailto:amibroker%40yahoogroups.com> > >> ps.com > >> > [mailto:[EMAIL PROTECTED] <mailto:amibroker%40yahoogroups.com> > >> ps.com] On > >> > Behalf Of Dan Clark > >> > > Sent: Thursday, February 14, 2008 11:56 PM > >> > > To: [EMAIL PROTECTED] <mailto:amibroker%40yahoogroups.com> > >> ps.com > >> > > Subject: [amibroker] New EOD data feed other than Quotes Plus > >> > > > >> > > > >> > > > >> > > I've been using Quotes Plus data for the last 2-1/2 years. > >> > Overall, I've been very happy with Quotes Plus data and Gary > >> Lyben's > >> > (owner/president) responsiveness. That said. > >> > > > >> > > > >> > > > >> > > In the last few days, I've swapped several e-mails about a > > minor > >> > billing issue (credit card renewed with different number) with a > >> > woman in his billing department. What should have been a very > > minor > >> > clerical issue left me feeling EXTREMELY angry and offended. > >> > > > >> > > > >> > > > >> > > I vowed to switch my data feed from Quotes Plus to another data > >> > feed as soon as possible. This is a major issue for me because of > >> > the amount of AFL recoding involved, but I can no longer do > >> business > >> > with Quotes Plus. > >> > > > >> > > > >> > > > >> > > I need some options for other EOD data feeds. What EOD service > >> > are you using? What has your experience been? What are the > >> > alternatives now? > >> > > > >> > > > >> > > > >> > > Thanks and regards, > >> > > > >> > > > >> > > > >> > > Dan. > >> > > > >> > > >> > > > > > > > > > > Please note that this group is for discussion between users only. > > > > To get support from AmiBroker please send an e-mail directly to > > SUPPORT {at} amibroker.com > > > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > > http://www.amibroker.com/devlog/ > > > > For other support material please check also: > > http://www.amibroker.com/support.html > > > > Yahoo! Groups Links > > > > > > > > > > > > -- > > No virus found in this incoming message. > > Checked by AVG Free Edition. > > Version: 7.5.516 / Virus Database: 269.20.4/1277 - Release Date: 2/13/2008 8:00 PM > > > > >
