ERCOT Houston 345 kV Hub 5 MW Off-Peak Calendar-Day

Futures
Globex Code
AI4H531
Last
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Change
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Volume
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Last Updated31 Mar 2025 02:05:52 PM CT.
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ERCOT Houston 345 kV Hub 5 MW Off-Peak Calendar-Day 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
0.01 x 5 MW x # off-peak hours/day
Product Code
CME Globex: AI4
CME ClearPort: I4
Clearing: I4
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 Daily Floating Price will be determined for each off-peak day. The Daily Floating Price will be equal to the arithmetic average of all Electric Reliability Council of Texas (ERCOT) Houston 345 kV Hub real-time settlement point off-peak prices provided for the contract day. For settlement of this contract, the prices provided by ERCOT will be considered final on the payment date stated in Rule 279.09 and will not be subject to any further adjustment.
Termination of Trading
Trading on CME Globex terminates at 23:59 CPT on the contract day. If that time is not within regular trading hours, trading on CME Globex terminates at 16:00 CT on the business day prior to the contract day.
Trading terminates on the contract day. If the contract day is not a business day, trading terminates on the prior business day.
Days or Hours
Off-peak shall mean Monday through Friday Hour Ending (HE) 0100-0600 and 2300 and 2400 Central Prevailing Time (CPT) and Saturday through Sunday HE 0100-2400 CPT including North American Electric Reliability Corporation holidays.
Settlement Procedures
Delivery under the ERCOT Houston 345 kV Hub 5 MW Off-Peak Calendar-Day Futures contract shall be by cash settlement. The cash-settlement price will be based on the Daily Floating Price which is determined for the off-peak day.
Position Limits
Exchange Rulebook
Block Minimum
Vendor Codes

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