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ISO New England Mass Hub Day-Ahead Off-Peak Calendar-Day 5 MW Futures Contract Specs

Contract Unit 5 MWh
Clears in multiples of the number of off-peak hours in the contract day.
Price Quotation U.S. dollars and cents per MWh
Trading Hours Sunday - Friday 6:00 p.m. - 5:00 p.m. (5:00 p.m. - 4:00 p.m. CT) with a 60-minute break each day beginning at 5:00 p.m. (4:00 p.m. CT)
Minimum Price Fluctuation 0.05 x 5 MW x # off-peak hours/day
Product Code CME Globex: IDL
CME ClearPort: IDO
Clearing: IDO
Listed Contracts Daily contracts listed for the current month and next calendar month. List daily contracts for a new calendar month following the termination of trading in the last contract day of the current month.
Settlement Method Financially Settled
Floating Price The Floating Price for each contract day will be equal to the arithmetic average of the ISO New England Internal Hub Day-Ahead LMP for off-peak hours provided by ISO New England, for the contract day. For settlement of this contract, the prices provided by ISO New England will be considered final on the Payment Date and will not be subject to any further adjustment.
Termination Of Trading Trading terminates on the business day prior to the contract day.
Days Or Hours Off-Peak shall mean Monday through Friday Hour Ending (HE) 0100-0700 and 2400 Eastern Prevailing Time (EPT) and Saturday-Sunday HE 0100-2400 EPT including North American Electric Reliability Corporation holidays.
Settlement Procedures Final settlement under the contract shall be by cash settlement. Final settlement, following termination of trading for a contract day, will be based on the Floating Price. The final settlement price will be the Floating Price calculated for each contract day.
Position Limits NYMEX Position Limits
Exchange Rulebook NYMEX 959
Block Minimum Block Minimum Thresholds
Vendor Codes Quote Vendor Symbols Listing