Margins for the light sweet crude oil futures, WTI calendar swap futures, Brent crude oil futures, and Brent crude oil calendar swap futures contracts for the October 2005 to July 2006 contract months will increase to $3,500 from $2,500 for clearing members, to $3,850 from $2,750 for members, and to $4,725 from $3,375 for customers.
Margins on the NYMEX miNYsm crude oil futures contract will increase to $1,750 from $1,250 for clearing members, to $1,925 from $1,375 for members, and to $2,363 from $1,688 for customers for the October 2005 to July 2006 contract months.
