U.S. Options

AstraZeneca PLC (AZN) has announced a Contract Adjustment effective for Monday, February 2, 2026. On this date, the current AZN option class will change to AZN1.

AZN1 will be available for trading on the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange and MIAX Sapphire Options Exchange on Monday, February 2, 2026. 

No options on the underlying AZN will be available for trading on Monday, February 2, 2026.

All GTC orders resting on the MIAX order books in AZN will be canceled at the close of business on Friday, January 30, 2026.

AZN will resume trading on the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange and MIAX Sapphire Options Exchange on Tuesday, February 3, 2026.

NOTE:

• AZN1 options will trade on Cloud 1 on the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange and the MIAX Sapphire Options Exchange

Market Makers can use the Member Firm Portal (MFP) to manage their option class assignments. 

• AZN should be used for class assignments in AZN1 via MFP

All LMM and 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.

MIAX Options and MIAX Emerald Primary Lead Market Maker (PLMM) assignments and un-assignments will not be supported via the MFP. 
 
Additional details about the above AstraZeneca PLC (AZN) corporate action are provided in the attached OCC Memo.

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