Notice to Members
Notice No. 406
10/28/2004
Margin and Intra-Commodity Spread Rate Changes for the NYISO Zone A, NYISO Zone G, NYISO Zone J Electricity Futures Contracts
EFFECTIVE DATE: Friday, October 29, 2004 (close of business)  
FUTURES CONTRACTS: NYISO Zone A (KA), NYISO Zone G (KG), NYISO Zone J (KJ) Electricity Futures Contracts  
CONTRACT MONTHS: All Months  


NYMEX Division Outright (Scan) Margins on NYISO Zone A (KA), NYISO Zone G (KG), NYISO Zone J (KJ)
Contract
Clearing Member /
Maintenance Margin
Member Customer
Initial Margin
Non-Member Customer
Initial Margin
New
Old
New
Old
New
Old
KA
$2,000
$2,500
$2,200
$2,750
$2,700
$3,375
KG
$2,000
$2,500
$2,200
$2,750
$2,700
$3,375
KJ
$2,000
$3,000
$2,200
$3,300
$2,700
$4,050


NYMEX Division Intra-Commodity Spread Margins for NYISO Zone A (KA), NYISO Zone G (KG), NYISO Zone J (KJ)
Contract
Clearing Member /
Maintenance Margin
Member Customer
Initial Margin
Non-Member Customer
Initial Margin
New
Old
New
Old
New
Old
KA
$1,000
$1,500
$1,100
$1,650
$1,350
$2,025
KG
$1,000
$1,500
$1,100
$1,650
$1,350
$2,025
KJ
$1,000
$1,500
$1,100
$1,650
$1,350
$2,025

This notice supersedes all previous notices regarding margin rates for the NYISO Electricity Futures Contracts.
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com