The contract will be traded electronically over the NYMEX ACCESS® system, beginning at 4 PM, Mondays through Thursdays, and 7 PM, Sundays, with the closing time still to be determined.
The futures contract, based on an average of prices for those two crudes as reported by six widely accepted reporting services over the delivery month, will be the Exchange's first cash-settled energy contract. The services are Dow Jones Newswire/Bridge Telerate, Reuters, Bloomberg, Petroleum Argus, ICIS London Oil Reports, and Rim Intelligence Group.
The Exchange has calculated daily and rolling averages based on this index since September 1998. These prices are posted on the Exchange's website, www.nymex.com