Notice to Members
Notice No. 521
10/17/2008
Performance Bond Requirement Changes – New Margin Rates and Tiers for New Natural Gas Basis, Index, and Swing Swaps
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As per the normal review of market volatility to ensure adequate collateral coverage, the Chicago Mercantile Exchange Inc., Clearing House Risk Management staff approved the performance bond requirements for the following products listed below. The rates are effective at the close of business on Monday, October 20th, 2008.

NEW MARGIN RATES AND TIERS FOR

Natural Gas Basis, Index and Swing Swaps
Commodity Code
NGPL STX Natural Gas Basis Swap
T5
Algonquin City-gates Natural Gas Basis Swap
B4
TCO Natural Gas Index Swap
Q1
TETCO STX Natural Gas Index Swap
Q2
Tennessee Zone 0 Natural Gas Index Swap
Q4
Transco Zone 3 Natural Gas Index Swap
Y6
Tennessee 500 Leg Natural Gas Index Swap
Y7
Michcon Natural Gas Index Swap
Y8
CIG Rockies Natural Gas Index Swap
Z8
TCO Natural Gas Swing Swap
A1
TETCO STX Natural Gas Swing Swap
T2
Tennessee Zone 0 Natural Gas Swing Swap
T4
Malin Natural Gas Swing Swap
W9
Stanfield Natural Gas Swing Swap
Q3
Transco Zone 3 Natural Gas Swing Swap
T6
Tennessee 500 Leg Natural Gas Swing Swap
T7
Michcon Natural Gas Swing Swap
T8
CIG Rockies Natural Gas Swing Swap
U8


Outright (Scan) Spread Tiers for T5, B4, Q1, Q2, Q4, Y6, Y7, Y8,
Z8, A1, T2, T4, W9, Q3, T6, T7, T8 and U8
 
Tiers
New
1
All Months


Outright (Scan) Margin on T5, B4, Q1, Q2, Q4, Y6, Y7, Y8, Z8, A1, T2, T4, W9, Q3, T6, T7, T8 and U8
 
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
Commodity 
New
New
New
T5
500
550
675
B4
1500
1650
2025
Q1
1200
1320
1620
Q2
1200
1320
1620
Q4
1400
1540
1890
Y6
1300
1430
1755
Y7
1300
1430
1755
Y8
1500
1650
2025
Z8
6700
7370
9045
A1
1700
1870
2295
T2
1900
2090
2565
T4
1900
2090
2565
W9
1600
1760
2160
Q3
3200
3520
4320
T6
1700
1870
2295
T7
1800
1980
2430
T8
1800
1980
2430
U8
10300
11330
13905


Intra-Commodity Spread Tiers for T5, B4, Q1, Q2, Q4, Y6, Y7, Y8,
Z8, A1, T2, T4, W9, Q3, T6, T7, T8 an and U8
 
Tiers
New
1
All Months


Intra-Commodity Spread Margins on T5, B4, Q1, Q2, Q4, Y6, Y7, Y8, Z8, A1, T2, T4, W9, Q3, T6, T7, T8 and U8
 
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
Commodity  
New
New
New
T5
25
28
34
B4
25
28
34
Q1
25
28
34
Q2
25
28
34
Q4
25
28
34
Y6
25
28
34
Y7
25
28
34
Y8
25
28
34
Z8
125
138
169
A1
100
110
135
T2
100
110
135
T4
100
110
135
W9
100
110
135
Q3
150
165
203
T6
100
110
135
T7
100
110
135
T8
100
110
135
U8
500
550
675
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com