ERCOT Houston 345 kV Hub 5 MW Peak Calendar-Day

Futures
Globex Code
AI3H531
Last
-
Change
-
Volume
-
Last Updated31 Mar 2025 01:40:24 PM CT.
Market data is delayed by at least 10 minutes

ERCOT Houston 345 kV Hub 5 MW Peak Calendar-Day Futures - Contract Specs

Contract Unit
5 MW x 16 peak hours = 80 MWh
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 16 peak hours = $0.80
Product Code
CME Globex: AI3
CME ClearPort: I3
Clearing: I3
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 peak day. The Daily Floating Price will be equal to the arithmetic average of all Electric Reliability Council of Texas (ERCOT) Houston 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 278.10 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
"Peak day" shall mean a Monday through Friday, excluding North American Electric Reliability Corporation holidays.

From Hour Ending (HE) 0700 Central Prevailing Time (CPT) through HE 2200 CPT.
Settlement Procedures
Delivery under the ERCOT Houston 345 kV Hub 5 MW 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 peak day.
Position Limits
Exchange Rulebook
Block Minimum
Vendor Codes

CME Group is the world’s leading derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). 
Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.

© 2025 CME Group Inc. All rights reserved.