Notice to Members
Notice No. 252
05/14/2008
Margin Rates Changes for the Seasonal and Annual Nitrogen Oxides (NOX) Based Emission Allowance Futures Contracts
EFFECTIVE DATE:     Friday, May 16, 2008 (close of business)

FUTURES CONTRACTS:
 
Symbol
Seasonal NOx Emission Allowance –Vintage 2009 –Futures
YI
Seasonal NOx Emission Allowance –Vintage 2012 –Futures
YM
Annual NOx Emission Allowance –Vintage 2010 –Futures
YP
CONTRACT MONTHS: All Months

NOTE: The revised margin rates are in bold
NYMEX Division Outright (Scan) Margin Rates For YI, YM, and YP
 
 
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
YI $1,300 $800 $1,430 $880 $1,755 $1,080
YM $1,300 $800 $1,430 $880 $1,755 $1,080
YP $5,000 $2,500 $5,500 $2,750 $6,750 $3,375
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com