There are several approaches but most use
backward adjustment in which previous contracts are adjusted to match
the current contract. Google and you will find data suppliers,
programs, and discussion.
Bill
-----
Original Message -----
Sent:
March 14, 2009 4:50 AM
Subject:
[amibroker] how to make continous contracts
the futures seems to change every quarterly. how do i make that look
like a continous contract
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