Notice to Members
Notice No. 215
04/20/2006
Margin Rate Change for Natural Gas Futures, Henry Hub Swap Futures, Natural Gas miNY™ Futures, Henry Hub Swing Swap Futures, and Henry Hub Penultimate Swap Contracts
Effective Date: Friday, April 21, 2006 (close of business)

Futures Contracts: Natural Gas, Henry Hub Swaps, NYMEX miNY™ Natural Gas, Henry Hub Swing Swaps, and Henry Hub Penultimate Swap Contracts

Contract Months: All Months

Note: The revised margins are in bold
NYMEX Division Outright (Scan) Margins on Natural Gas Futures (NG)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
1
$9,000
$6,500
$9,900
$7,150
$12,150
$8,775
2
$7,500
$6,000
$8,250
$6,600
$10,125
$8,100
3
$7,500
$6,000
$8,250
$6,600
$10,125
$8,100
4
$9,000
$7,500
$9,900
$8,250
$12,150
$10,125
5
$5,500
$5,500
$6,050
$6,050
$7,425
$7,425
6
$3,500
$3,500
$3,850
$3,850
$4,725
$4,725
7
$3,000
$3,000
$3,300
$3,300
$4,050
$4,050
8
$2,500
$2,500
$2,750
$2,750
$3,375
$3,375
9
$2,000
$2,000
$2,200
$2,200
$2,700
$2,700


NYMEX Division Outright (Scan) Margins on Henry Hub Swap Futures (NN)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
1
$2,250
$1,625
$2,475
$1,788
$3,038
$2,194
2
$1,875
$1,500
$2,063
$1,650
$2,531
$2,025
3
$1,875
$1,500
$2,063
$1,650
$2,531
$2,025
4
$2,250
$1,875
$2,475
$2,063
$3,038
$2,531
5
$1,375
$1,375
$1,513
$1,513
$1,856
$1,856
6
$875
$875
$963
$963
$1,181
$1,181
7
$750
$750
$825
$825
$1,013
$1,013
8
$625
$625
$688
$688
$844
$844
9
$500
$500
$550
$550
$675
$675


NYMEX Division Outright (Scan) Margin on NYMEX miNY™ Natural Gas Futures (QG)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
1
$2,250
$1,625
$2,475
$1,788
$3,038
$2,194
2
$1,875
$1,500
$2,063
$1,650
$2,531
$2,025


NYMEX Division Outright (Scan) Margin on Henry Hub Swing Swap Futures (SN)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
1
$2,250
$1,625
$2,475
$1,788
$3,038
$2,194


NYMEX Division Outright (Scan) Margin on Henry Hub Penultimate Swap Futures (NP)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
1
$2,250
$1,625
$2,475
$1,788
$3,038
$2,194
2
$1,875
$1,500
$2,063
$1,650
$2,531
$2,025
3
$1,875
$1,500
$2,063
$1,650
$2,531
$2,025
4
$2,250
$1,875
$2,475
$2,063
$3,038
$2,531
5
$1,375
$1,375
$1,513
$1,513
$1,856
$1,856
6
$875
$875
$963
$963
$1,181
$1,181
7
$750
$750
$825
$825
$1,013
$1,013
8
$625
$625
$688
$688
$844
$844
9
$500
$500
$550
$550
$675
$675


Current systems calculate the margin requirement for spread positions by first determining the "Scan Risk" and then multiplying the number of spreads by a rate set by the Exchange. Scan Risk is determined by netting the outright margin required for each leg of a spread. Spreading between differently margined contracts results in a higher spread margin than between equally margined contracts. Below is provided an example where the legs of a spread are margined differently.

Scan Risk Example at Clearing Member Rates
A spread consisting of one NG leg in Tier 1 and another in Tier 2 will have its requirement (at the clearing member rates) calculated at $ 2,500 starting on Friday, April 21, 2006.

One Long Tier 1 NG (1 * $9,000) = $9,000
One Short Tier 2 NG (1 * $ 7,500) = $7,500
Net Scan Risk ($9,000-$7,500) = $1,500
Spread Rate (1* $ 1,000) = + $1,000
Total Requirement   = $2,500
       
Summary      
Clearing Member (Maintenance Margin):     $2,500
Member Customer (Initial Margin):     $2,750
Non-Member Customer (Initial Margin):     $3,375

This notice supersedes all previous notices regarding margin rates and tiers for Natural Gas, Henry Hub Swaps, NYMEX miNY™ Natural Gas, Henry Hub Swing Swaps and Henry Hub Penultimate Swap Contracts.
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com