Notice to Members
Notice No. 429
08/20/2008
Outright (SCAN) Margin Rate Changes for Financially Settled Electricity Contracts
Effective Date: Thursday, August 21, 2008 (close of business)

Futures Contract: PJM Western Hub LMP Peak Monthly (JM), NYISO Zone A – Peak (KA), NYISO Zone G – Peak (KG), NYISO Zone J – Peak (KJ)

Contract Months: All Months


NYMEX Division Outright (Scan) Margins on PJM Western Hub LMP On Peak Monthly (JM)
 
Contract
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1 $11,000 $12,000 $12,100 $13,200 $14,850 $16,200
Tier 2 $6,000 $7,000 $6,600 $7,700 $8,100 $9,450
Tier 3 $5,000 $6,000 $5,500 $6,600 $6,750 $8,100
Tier 4 $3,500 $4,500 $3,850 $4,950 $4,725 $6,075
Tier 5 $2,500 $3,500 $2,750 $3,850 $3,375 $4,725
Tier 6 $2,000 $3,000 $2,200 $3,300 $2,700 $4,050
Tier 7 $3,000 $4,000 $3,300 $4,400 $4,050 $5,400
Tier 8 $2,500 $3,500 $2,750 $3,850 $3,375 $4,725


NYMEX Division Outright (Scan) Margins on NYISO Zone A – Peak (KA)
 
Contract
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1 $3,000 $4,000 $3,300 $4,400 $4,050 $5,400
Tier 2 $3,000 $4,000 $3,300 $4,400 $4,050 $5,400
Tier 3 $1,500 $2,500 $1,650 $2,750 $2,025 $3,375
Tier 4 $1,000 $2,000 $1,100 $2,200 $1,350 $2,700


NYMEX Division Outright (Scan) Margins on NYISO Zone G – Peak (KG)
 
Contract
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1 $7,000 $8,000 $7,700 $8,800 $9,450 $10,800
Tier 2 $4,500 $5,500 $4,950 $6,050 $6,075 $7,425
Tier 3 $3,000 $4,000 $3,300 $4,400 $4,050 $5,400
Tier 4 $2,000 $3,000 $2,200 $3,300 $2,700 $4,050


NYMEX Division Outright (Scan) Margins on NYISO Zone J – Peak (KJ)
 
Contract
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1 $8,000 $9,000 $8,800 $9,900 $10,800 $12,150
Tier 2 $5,500 $6,500 $6,050 $7,150 $7,425 $8,775
Tier 3 $3,000 $4,000 $3,300 $4,400 $4,050 $5,400
Tier 4 $2,000 $3,000 $2,200 $3,300 $2,700 $4,050
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com