This would depend on your data supplier. It sounds like you're getting free data somewhere. If this is the case I suspect the contracts are not being back-adjusted so you just have the actual data with a hiccup in price at each contract rollover. So, I would not overwrite, unless you know you are getting back-adjusted data in which case you would have to over-write.

--

Terry

-----Original Message-----
From:
[email protected] [mailto:[email protected]] On Behalf Of Tom Gibbs
Sent: Tuesday, April 25, 2006 11:20
To:
[email protected]
Subject: [amibroker] rolling over

 

When contracts roll over and I Merge data, which gives me the more true data reading on my new contract charts?

·       Overwrite duplicate quotes

·       Not overwriting

 

 

 

Sincerely;

Tom Gibbs 

 




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