Notice to Members
Notice No. 670
12/20/2006
Margin Rate Changes for Silver Futures and COMEX miNY Silver Contract
Effective Date:         Thursday, December 21, 2006 (close of business)

Futures Contracts:   Silver Futures

Contract Months:     All Months

Rate Change:  
COMEX Division Margins on Silver Futures Contracts


Member: Clearing & Non-Clearing (Hedge Margin):
New: $3,500
Old: $4,000
Non-Member Customer (Speculative Margin):
New: $4,725
Old: $5,400


COMEX Division Margins on miNY (QI) Silver Futures Contracts


Member: Clearing & Non-Clearing (Hedge Margin):
New: $1,750
Old: $2,000
Non-Member Customer (Speculative Margin):
New: $2,363
Old: $2,700



Inter-Commodity Spread Credit on Gold and Silver
Spread
Ratio
Combined Full Margin
Clearing Member/Member/Hedge Spread Credit
Non-Member Spread Credit
Percentage Credit of Total Outright
Gold/Silver
2:3
Old
$17,000
$8,500
$11,475
50%
New
$14,500
$7,250
$9,788
50%

This notice supersedes all previous notices regarding outright margin rates for the COMEX Silver Future Contracts.
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com