11/09/2005
Futures Contracts: Natural Gas, Henry Hub Swaps, e-miNY, and Henry Hub Penultimate Swap Contracts
Contract Months: Tier 4 Only
Note: The revised margins are in bold
| Tiers |
Clearing Member / Maintenance
Margin |
Member Customer Initial Margin |
Non-Member Customer Initial Margin |
|||
New |
Old |
New |
Old |
New |
Old |
|
1 |
$11,000 |
$11,000 |
$12,100 |
$12,100 |
$14,850 |
$14,850 |
2 |
$12,000 |
$12,000 |
$13,200 |
$13,200 |
$16,200 |
$16,200 |
3 |
$12,500 |
$12,500 |
$13,750 |
$13,750 |
$16,875 |
$16,875 |
4 |
$11,500 |
$13,000 |
$12,650 |
$14,300 |
$15,525 |
$17,550 |
5 |
$5,750 |
$5,750 |
$6,325 |
$6,325 |
$7,763 |
$7,763 |
6 |
$3,250 |
$3,250 |
$3,575 |
$3,575 |
$4,388 |
$4,388 |
7 |
$3,000 |
$3,000 |
$3,300 |
$3,300 |
$4,050 |
$4,050 |
8 |
$2,000 |
$2,000 |
$2,200 |
$2,200 |
$2,700 |
$2,700 |
9 |
$1,500 |
$1,500 |
$1,650 |
$1,650 |
$2,025 |
$2,025 |
| Tiers |
Clearing Member / Maintenance
Margin |
Member Customer Initial Margin |
Non-Member Customer Initial
Margin |
|||
New |
Old |
New |
Old |
New |
Old |
|
1 |
$2,750 |
$2,750 |
$3,025 |
$3,025 |
$3,713 |
$3,713 |
2 |
$3,000 |
$3,000 |
$3,300 |
$3,300 |
$4,050 |
$4,050 |
3 |
$3,125 |
$3,125 |
$3,438 |
$3,438 |
$4,219 |
$4,219 |
4 |
$2,875 |
$3,250 |
$3,163 |
$3,575 |
$3,881 |
$4,388 |
5 |
$1,438 |
$1,438 |
$1,581 |
$1,581 |
$1,941 |
$1,941 |
6 |
$813 |
$813 |
$894 |
$894 |
$1,097 |
$1,097 |
7 |
$750 |
$750 |
$825 |
$825 |
$1,013 |
$1,013 |
8 |
$500 |
$500 |
$550 |
$550 |
$675 |
$675 |
9 |
$375 |
$375 |
$413 |
$413 |
$506 |
$506 |
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 |
$2,750 |
$2,750 |
$3,025 |
$3,025 |
$3,713 |
$3,713 |
2 |
$3,000 |
$3,000 |
$3,300 |
$3,300 |
$4,050 |
$4,050 |
3 |
$3,125 |
$3,125 |
$3,438 |
$3,438 |
$4,219 |
$4,219 |
4 |
$2,875 |
$3,250 |
$3,163 |
$3,575 |
$3,881 |
$4,388 |
5 |
$1,438 |
$1,438 |
$1,581 |
$1,581 |
$1,941 |
$1,941 |
6 |
$813 |
$813 |
$894 |
$894 |
$1,097 |
$1,097 |
7 |
$750 |
$750 |
$825 |
$825 |
$1,013 |
$1,013 |
8 |
$500 |
$500 |
$550 |
$550 |
$675 |
$675 |
9 |
$375 |
$375 |
$413 |
$413 |
$506 |
$506 |
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 5 will have its requirement (at the clearing member rates) calculated at $6,250 starting on Thursday, November 10, 2005.
| One Long Tier 1 NG | (1 * $11,000) | = | $11,000 |
| One Short Tier 5 NG | (1 * $ 5,750) | = | $5,750 |
| Net Scan Risk | ($11,000-$5,750) | = | $5,250 |
| Spread Rate | (1* $ 1000) | = + | $1,000 |
| Total Requirement | = | $6,250 | |
| Summary | |||
| Clearing Member (Maintenance Margin): | $6,250 | ||
| Member Customer (Initial Margin): | $6,875 | ||
| Non-Member Customer (Initial Margin): | $8,438 |
This notice supersedes all previous notices regarding margin rates and tiers for Natural Gas, Henry Hub Swaps, and Henry Hub Penultimate Swap Contracts.