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Wouldn't depend completely on what you are trying to model?
A Breakout system - probably not good
Elliott wave - probably not good
A momentum system - well maybe
Seems like there maybe a market for each kind of data
Yahoo has too many gross errors in it for me, period.
B S <bs2167@xxxxxxxxx> wrote:
>Yes to the first question. If a stock is trading at $10.00 on 12/1/2000 and the ex-date for a $1.00 quartely cash dividend is 12/2/2000, I would expect the stock to open at $9.00 on 12/2/2000, all else being equal. I believe to correctly test a trading system, the price history for 12/1/2000 should be adjusted from $10.00 to $9.00. Additionally, all prices prior to 12/1/2000 should be adjusted down by the same factor. Am I wrong? Further, why would you adjust prices for special cash dividends but not ordinary quarterly cash dividends - seems inconsistent both logically and economically.
>
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>
>
>________________________________
>From: "Kevin243@xxxxxxx" <Kevin243@xxxxxxx>
>To: amibroker@xxxxxxxxxxxxxxx
>Sent: Mon, December 28, 2009 10:00:15 PM
>Subject: Re: [amibroker] Re: Telechart vs Norgate
>
>
>Don't you agree that the market adjusts prices as dividends are paid?
>
>A double adjustment?
>
>
>
>In a message dated 12/28/2009 8:13:51 P.M. Central Standard Time, bs2167@xxxxxx com writes:
>
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>>
>>
>>
>>Hi- Question for those of you who use Norgate: how do you contend with the fact that prices are not adjusted for ordinary cash dividends? I've seen a few data providers who do it this way...but I can't understand why...am I missing something? All their reviews seem to be very positive, so I was disappointed to discover this.
>>
>>--- In amibroker@xxxxxxxxx ps.com, "droskill" <droskill@xxx> wrote:
>>>
>>> Norgate is likely, when they get finished with an upgrade this year, to be my preferred data vendor - they're not quite there yet for me (I want a single provider for both Amibroker and Tradersstudio) but I'm guessing they will be soon.
>>>
>>> --- In amibroker@xxxxxxxxx ps.com, Graham <kavemanperth@> wrote:
>>> >
>>> > Norgate data is very good
>>> >
>>> > --
>>> > Cheers
>>> > Graham Kav
>>> > AFL Writing Service
>>> > http://www.aflwriti ng.com
>>> >
>>> >
>>> >
>>> > 2009/3/24 jmdeacon <jmdeacon@>:
>>> > > I currently use Telechart EOD data. I have used it for the last 3 years and have only found a handful of instances of bad data. I am interested in having delisted data to eliminate survivorship bias and heard about Norgate. They provide delisted historical data back to 1950.
>>> > >
>>> > > Does anyone have any opinions on the quality of the Norgate data?
>>> > >
>>> > > Thanks,
>>> > >
>>> > > John
>>> >
>>>
>>
>>
>>
>>
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>>
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>
>
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>
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