Notice No. 08-612
December 1, 2008


Amendments to NYMEX Rules 6.21C, and COMEX Rule 104.36C, Block Trades, to Allow for the Submission of Specified Options Block Trades

Effective for trade date December 8, 2008, the NYMEX and COMEX divisions of CME Group are effecting amendments to NYMEX Rule 6.21C and COMEX Rule 104.36C, Block Trades, respectively, to incorporate block trading for certain options markets. Further, submission of such transactions will be supported on both the trading floor as well as through the ClearPort® Trade Entry Portal.

The allowable option contracts and the appropriate minimum size per contract month are as follows:

 
COMMODITY
OPTIONS PRODUCT                
CODE
SIZE
 
COMEX Gold                                        
OG
300 Lots
COMEX Silver                                       
SO
150 Lots
NYMEX Crude Oil (American Style)     
LO
350 Lots
NYMEX RBOB Gasoline                   
OB
350 Lots
NYMEX Heating Oil                               
OH
300 Lots
NYMEX Natural Gas (European Style)  
LN
550 Lots
NYMEX Natural Gas (American Style)  
ON
1,600 Lots

The applicable rule amendments are available by clicking here.

Should you have any questions or require any further information, please contact ExchangeInformation@cmegroup.com