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»Forums Index »Archive (2017 and earlier) »Data and Content Support »Historical data error for SP500.X
Author Topic: Historical data error for SP500.X (4 messages, Page 1 of 1)

josh
-Interested User-
Posts: 89
Joined: Sep 14, 2011


Posted: Mar 15, 2012 10:05 PM          Msg. 1 of 4
There seems to be a data error on the week of 12/24/2004 for SP500.X -- see the attached chart.

Also, my history does not go back farther than 2004 for this symbol. The SPX.XO symbol, however, does not have this error, and has historical data back much farther. Why are the two not identical?



File Attached: SP500.X.png (downloaded 1234 times)

josh
-Interested User-
Posts: 89
Joined: Sep 14, 2011


Posted: Mar 15, 2012 10:05 PM          Msg. 2 of 4
Attached is the SPX.XO chart, could not attach to first post.



File Attached: SPX.XO.png (downloaded 1243 times)

DTN_ToddH
-DTN Guru-
Posts: 287
Joined: Oct 6, 2011


Posted: Mar 16, 2012 02:34 PM          Msg. 3 of 4
Hi Josh,

Thanks for pointing out the bad tick in the SP500.X - that has now been repaired.

Theoretically, the two indexes are the same, but the SPX.XO comes from the CBOE and we have had that one longer. Market Data Services tells me that the history for that was filled in long ago and that it why it shows more. Thanks again.

josh
-Interested User-
Posts: 89
Joined: Sep 14, 2011


Posted: Mar 20, 2012 08:19 AM          Msg. 4 of 4
Thank you for fixing this; when renewal time comes around I will just get the SPX.XO real-time as it's about the same price and then I will have complete historical data. In the meantime I will use SPX.XO for long term historical data and my real-time SP500.X for live data.
 

 

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