U.S. Options

The following adjusted option class will begin trading on the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange and MIAX Sapphire Options Exchange on Wednesday, January 7, 2026.

• Comcast Corporation (CMCS1)

Market Makers can use the Member Firm Portal (MFP) to manage their option class assignments. Please note, CMCSA should be used for class assignments in CMCS1 via MFP.  All RMM Option Class Assignments must be entered prior to 6:00 PM ET on the business day immediately preceding the effective date.  All changes made after 6:00 PM ET on a given day will be effective two trading days later.

Please contact MIAX Listings with any questions at Listings@miaxglobal.com or (609) 897-7308.