Notice to Members
Notice No. 631
11/30/2006
New Margin Rates, Intra-Commodity / Inter-Month Spread Margins, and Inter-Commodity Spread Margins for COMEX London Copper Grade A (LK), COMEX London Primary Aluminum (LA), COMEX London SHG Zinc (LZ) Futures
Effective Date: Monday, December 4, 2006 (close of business)

Futures Contracts: COMEX London Copper Grade A Futures (LK), COMEX London Primary Aluminum (LA), and COMEX London SHG Zinc (LZ) Futures

Contract Months: All Months

Margin Rates on COMEX London Copper Grade A (LK) Futures Contacts
Member: Clearing & Non-Clearing (Hedge Margin): New: $ 2,200
Non-Member Customer (Speculative Margin): New: $ 2,970
   
Intra-Commodity / Inter-Month Spread Margins on COMEX London Copper Grade A (LK) Futures Contacts
Member: Clearing & Non-Clearing (Hedge Margin): New: $ 80
Non-Member Customer (Speculative Margin): New: $ 108
   
Margin Rates on COMEX London Primary Aluminum (LA) Futures Contacts
Member: Clearing & Non-Clearing (Hedge Margin): New: $ 1,400
Non-Member Customer (Speculative Margin): New: $ 1,890
   
Intra-Commodity / Inter-Month Spread Margins on COMEX London Primary Aluminum (LA) Futures Contacts
Member: Clearing & Non-Clearing (Hedge Margin): New: $ 80
Non-Member Customer (Speculative Margin): New: $ 108
   
Margin Rates on COMEX London SHG Zinc (LZ) Futures Contacts
Member: Clearing & Non-Clearing (Hedge Margin): New: $ 3,000
Non-Member Customer (Speculative Margin): New: $ 4,050
   
Intra-Commodity / Inter-Month Spread Margins on COMEX London SHG Zinc (LZ) Futures Contacts
Member: Clearing & Non-Clearing (Hedge Margin): New: $ 160
Non-Member Customer (Speculative Margin): New: $ 216



Inter-Commodity Spread Margins on COMEX London Copper Grade A (LK) and COMEX Copper (HG)
Spread
Ratio
Combined Full Margin
Clearing Member/Member/Hedge Spread Credit
Non-Member Spread Credit
Percentage Credit of Total Outright
LK / HG
11:05
NEW
$49,200
$4,920
$6,642
90%


Inter-Commodity Spread Margins on COMEX London Primary Aluminum (LA) and COMEX Aluminum (AL)
Spread
Ratio
Combined Full Margin
Clearing Member/Member/Hedge Spread Credit
Non-Member Spread Credit
Percentage Credit of Total Outright
LA / AL
2:01
NEW
$5,300
$530
$716
90%


Inter-Commodity Spread Margins on COMEX London Copper Grade A (LK) and London Primary Aluminum (LA)
Spread
Ratio
Combined Full Margin
Clearing Member/Member/Hedge Spread Credit
Non-Member Spread Credit
Percentage Credit of Total Outright
LK / LA
2:01
NEW
$5,800
$1,160
$1,566
80%


Inter-Commodity Spread Margins on COMEX London Copper Grade A (LK) and London SHG Zinc (LZ)
Spread
Ratio
Combined Full Margin
Clearing Member/Member/Hedge Spread Credit
Non-Member Spread Credit
Percentage Credit of Total Outright
LK / LZ
2:01
NEW
$7,400
$6,660
$8,991
10%


Inter-Commodity Spread Margins on COMEX London Primary Aluminum (LA) and London SHG Zinc (LZ)
Spread
Ratio
Combined Full Margin
Clearing Member/Member/Hedge Spread Credit
Non-Member Spread Credit
Percentage Credit of Total Outright
LA / LZ
1:01
NEW
$4,400
$3,740
$5,049
15%
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com