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[amibroker] Re: LinearReg search?


  • To: <amibroker@xxxxxxxxxxxxxxx>
  • Subject: Re: [amibroker] Yahoo EOD data not always correct ?
  • From: Terry <MagicTH@xxxxxxxxxxx>
  • Date: Thu, 5 Aug 2004 07:16:47 -0700
  • Title: Re: [amibroker] Yahoo EOD data not always correct ?

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Richard,

RE: Your point #1 regarding Yahoo data... 
No delisted history - any system testing you do based on Yahoo data is subject to population bias.  ie you can only test on the stocks that are currently listed.

I went to your website for stocks and it clearly says:

Only currently listed securities are provided, significantly reducing the clutter of expired and delisted securities.

I would be interested in USA stocks, but the same note is there for Australian stocks. So, does Norgate provide delisted stocks or not?

Terry
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