On February 5, 2007, three important FEC enhancements will be introduced.  The first enhancement pertains to electronically-executed calendar spread trades, and will allow users to specify for each order routed to e-cbot or Globex whether leg prices should be engine-assigned or based upon the previous-day's settlement prices.  The second enhancement pertains to pit-executed spreads, and will allow users to submit or change front leg prices at any valid tick, regardless of match status.  The third enhancement involves changing the CBOT FLEX system from an allocate claim model to a two sided matching system.

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