MIAX Options® Alerts
Regulatory Alert, Trading Alert
MIAX Options
May 28, 2026 | 01:38 PM
MIAX Options and MIAX Emerald Options - Change to Opening and Intra-day Quote Width Requirements for Certain Symbols Effective Friday, May 29, 2026
MIAX Options and MIAX Emerald Options will increase the maximum valid bid/ask differentials for the following symbols: CELESTICA, INC. (CLS) DYCOM INDUSTRIES,...
Listing Alert
MIAX Options
May 28, 2026 | 11:33 AM
MIAX Exchange Group - Options Markets - Corporate Action Alert - RLI Corporation (RLI)
RLI Corporation (RLI) has announced a Special Cash Dividend. Associated strike price adjustments will become effective on Friday, May 29, 2026....
Regulatory Alert, Trading Alert
MIAX Options
May 27, 2026 | 12:07 PM
MIAX Exchange Group - Options Markets - Market for Underlying Security Used for Openings for Newly Listed Adjusted Symbols Effective Thursday, May 28, 2026
Please refer to the Regulatory Circulars listed below for the newly listed adjusted symbols and the corresponding market for the...
Listing Alert
MIAX Options
May 27, 2026 | 11:49 AM
MIAX Exchange Group - Options Markets - Corporate Action Alert: Select ProShares ETFs
The following ProShares ETFs have announced reverse stock splits effective for Thursday, May 28, 2026: ProShares Ultra Bloomberg Natural Gas (BOIL) changes...
Regulatory Alert, Trading Alert
MIAX Options
May 26, 2026 | 12:54 PM
MIAX Options - Market for Underlying Security Used for Openings for Newly Listed Symbol XOMA Effective Wednesday, May 27, 2026
Please refer to the Regulatory Circular listed below for the newly listed symbol and the corresponding market for the underlying...
Listing Alert
MIAX Options
May 26, 2026 | 12:18 PM
MIAX Options - New Listing Effective for May 27, 2026
The following option class will begin trading on the MIAX Options Exchange on Wednesday, May 27, 2026: XOMA Royalty Corporation (XOMA) Market Makers...