Notice to Members
Notice No. 401
08/06/2008
Margin Rates Changes for Carbon, Nitrogen Oxides (NOX) and Sulfur Dioxide (SO2) Based Emission Allowance Futures Contracts
Effective Date: Wednesday, August 6, 2008 (close of business)

Futures Contract:
Seasonal NOx Emission Allowance – Current Vintage – Futures
RN
Seasonal NOx Emission Allowance – Vintage 2009 – Futures
YI
Seasonal NOx Emission Allowance – Vintage 2010 – Futures
YJ
Seasonal NOx Emission Allowance – Vintage 2012 – Futures
YM
Annual NOx Emission Allowance – Vintage 2009 – Futures
WW
SO2 Emission Allowance Futures Contract
RS
Contract Months: All Months


NYMEX Division Outright (Scan) Margin Rates For Emissions Contracts
 
 
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
RN
$1,000
$1,500
$1,100
$1,650
$1,350
$2,025
WW
$9,000
$12,000
$9,900
$13,200
$12,150
$16,200
YM
$1,000
$1,200
$1,100
$1,320
$1,350
$1,620
YJ
$1,000
$750
$1,100
$825
$1,350
$1,013
YI
$1,500
$1,200
$1,650
$1,320
$2,025
$1,620
RS
$9,000
$7,000
$9,900
$7,700
$12,150
$9,450
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com