GLOBEX Advisory Notices
To CME Globex Customers
From CME Globex Account Management
Subject NYMEX Options Launch on CME Globex
Notice Date 2007-05-10
Notice Number 051007
Effective Date 1969-12-31
CME Globex(R) Notices

NYMEX Options Launch on CME Globex
Effective Sunday, June 24, 2007 (for trade date Monday, June 25), options on NYMEX Crude Oil and Natural Gas futures and COMEX Gold and Silver futures will launch on CME Globex.

For NYMEX options, CME is introducing variable length strike prices of up to 5 bytes in the Complete Instrument Code field in RLC market data messages and in SecurityDesc (FIX tag 107) in CME iLink messages. Currently, in these fields CME supports fixed strike prices within product groups of up to 4 bytes. More information on RLC market data is available in the CME Market Data Platform SDK RLC Message Specifications volume. More information on CME iLink messaging is available in the CME iLink SDK Message Specifications volume.

NYMEX Options
Product Instrument Group Code Product Code MDP Channel
Crude Oil LO LO 35
Natural Gas ON ON 36
Gold OG OG 37
Silver SO SO 37

These NYMEX options will be available for customer testing in the New Release Certification environment Monday, May 21.

More information about this NYMEX options launch is available at www.nymex.com.


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