Patent ID: 7467112

Claim:
A method of operating an exchange, the method comprising: listing a futures contract; receiving an electronic signal that represents an order to buy or an order to sell the futures contract; and upon settlement of the futures contract, requiring entry into a specified credit default index swap on a specified date against a specified counterparty, wherein (a)(i) a long position in said futures contract entitles a holder of the long position to receive a fixed side of the specified credit default index swap on the specified date, and (ii) a short position in said futures contract entitles a holder of the short position to receive a floating side of the specified credit default index swap on the specified date; or (b)(i) a short position in said futures contract entitles the holder of the short position to receive a fixed side of the specified credit default index swap on the specified date, and (ii) a long position in said futures contract entitles the holder of the long position to receive a floating side of the specified credit default index swap on the specified date; said specified counterparty being a clearinghouse.