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Yahoo's Data may not be the most accurate, but I think it's accurate
enough to the point where it won't break your trading system.
I can't imagine a system that rocks with CSIData but sucks with Yahoo
Data, given same ticker symbols for the same amount of period.
While I don't object to those who pay for data, I personally don't
believe having the most accurate data is my goal.
--- In amibroker@xxxxxxxxxxxxxxx, "Terry" <MagicTH@xxxx> wrote:
>
> I will. This is why I asked about CSIData paid service. Does their paid
> service have more precision? I'm leaning to CSI Data because of Actual
> Historical prices and Extinct tickers.
>
>
>
> --
>
> Terry
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
> Behalf Of Graham
> Sent: Tuesday, December 06, 2005 19:06
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: Re: [amibroker] Yahoo Historical - Inaccurate Data
>
>
>
> Unfortunately you get what you pay for.
>
> Why not subscribe to a paid data service and buy historical data, the
> annual cost of this would probably be less that a single losing trade
>
>
>
> On 12/7/05, David Fitch <davidfitch@xxxx> wrote:
>
> Terry
>
> Just so you don't feel too frustrated, you are not alone in getting
> non-responses at yahoo. Take any subject concerning data at yahoo and
> substitute it into your received yahoo response and I've seen it. Why
> certain indexes have no historical data...its the vendor and we hope
> someone will fix it. Why price data gets decimal points wrong or is
> missing..its the vendor and we hope someone will fix it. How about
> adding breadth data that has historical capability, its the vendor and
> we hope someone will add it.
>
> Sorry to be pessimistic but that's been my experience past year or so
>
> Dave
>
>
>
> ----- Original Message -----
>
> From: Terry Hulseberg <mailto:MagicTH@x...>
>
> To: amibroker@xxxxxxxxxxxxxxx
>
> Sent: Tuesday, December 06, 2005 5:25 PM
>
> Subject: [amibroker] Yahoo Historical - Inaccurate Data
>
>
>
>
> FYI on Free Yahoo data:
>
> I recently wrote Yahoo Finance as to why Adj. Close on
> the historical
> data is only supplied to two decimal places, which
> makes it very crude.
> For example, CSCO in early 1990 was varies from
> $23.00-24.00 while the
> Adj. Close = $0.08 for all prices from $23.00 to
> 24.00.
>
> Elsewhere Yahoo claims CSIData is their data supplier.
> Can someone with
> CSIData tell me if the database you pay for has the
> same limitation?
> --
> Terry
>
> -----Original Message-----
> From: Yahoo! Customer Care
> [mailto: <mailto:support@x...> support@xxxx]
> Sent: Tuesday, December 06, 2005 16:26
> To: Terry Hulseberg
> Subject: Re: RE: Feedback - Inaccurate Data
> (KMM50817727V30869L0KM)
>
> Hello Terry,
>
> Thank you for writing to Yahoo! Customer Care.
>
> Currently, our provider supplies the data to two
> decimal places.
>
> We are hoping that, in the future, the historical
> prices in the adjusted
> close column will reflect more decimal places for
> convenience. At this
> time, we are unable to determine when this event will
> occur.
>
> We appreciate your patience and understanding.
>
> Thank you again for contacting Yahoo! Customer Care.
>
> Regards,
>
> John
> Yahoo! Customer Care
>
>
>
>
> __________________________________________
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>
>
> Please note that this group is for discussion between users only.
>
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> _____
>
>
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>
>
>
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>
>
>
> _____
>
>
>
>
>
> --
> Cheers
> Graham
> AB-Write >< Professional AFL Writing Service
> Yes, I write AFL code to your requirements
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>
> Please note that this group is for discussion between users only.
>
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>
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>
>
>
>
>
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> _____
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