The New York Mercantile Exchange, Inc. announced today that it will change margins for its copper and COMEX miNYTM copper futures contracts, effective at the close of business tomorrow.
Copper futures margins will increase to $5,750 from $5,250 for clearing and non-clearing members and to $7,763 from $7,088 for customers.
Margins for the COMEX miNY copper futures contract will increase to $2,875 from $2,625 for clearing and non-clearing members and to $3,882 from $3,544 for customers.