Notice to Members
Notice No. 559
12/20/2007
Amendments to Exchange Rules 11.57, 11.57A and 11.66
Rule 11.66, Restriction on Simultaneous Buy and Sell Orders on Exchange Electronic Trading Systems, is being amended in conjunction to similar changes the DME is implementing, and were reviewed and approved by the Board of Directors at its meeting on December 11, 2007. The amendments eliminate the five-second rest period required between customer orders entered electronically through NYMEX ClearPort® Trading on opposite sides of the market for separate principals where the orders were neither the result of pre-execution discussions nor involve trading for the broker/broker's firm on one side. This wait period has already been eliminated from the NYMEX rules for the trading of NYMEX products on Globex®. Further amendments were made to Rules 11.57, 11.57A and 11.66 that are housekeeping in nature. The amendments will be effective Friday, December 21, 2007.

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Should you have any questions or require any further information, please contact exchangeinfo@nymex.com