MIAX Sapphire® Options Alerts
Regulatory Alert, Trading Alert
MIAX Sapphire
September 28, 2026 | 03:15 PM
MIAX Sapphire Options - Market for Underlying Security Used for Openings for Newly Listed Adjusted Symbol EU1 Effective Tuesday, September 29, 2026
Please refer to the Regulatory Circular listed below for the newly listed adjusted symbol and the corresponding market for the...
Listing Alert
MIAX Sapphire
September 28, 2026 | 03:04 PM
Update: MIAX Sapphire Options - Corporate Action Alert: enCore Energy Corporation (EU1)
EU1 will be available for trading on the MIAX Sapphire Options Exchange on Tuesday, September 29, 2026. EU1 will not be available for...
Regulatory Alert, Trading Alert
MIAX Sapphire
September 28, 2026 | 01:29 PM
MIAX Pearl Options and MIAX Sapphire Options - Changes to the Expanded MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor Settings for Certain Symbols Beginning Thursday, October 1, 2026, Through Thursday, December 31, 2026
MIAX Pearl Options and MIAX Sapphire Options will change the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor maximum...
Regulatory Alert, Technical Alert, Trading Alert
MIAX Sapphire
September 28, 2026 | 12:19 PM
MIAX Exchange Group - Options Exchanges - Have Revoked Self-Help on the BOX Options Exchange
Please be advised the MIAX Options, MIAX Pearl Options, MIAX Emerald Options & MIAX Sapphire Options Exchanges have revoked self-help on the BOX...
Technical Alert, Trading Alert, Regulatory Alert
MIAX Sapphire
September 28, 2026 | 11:18 AM
MIAX Exchange Group - Options Exchanges - Have Declared Self-Help on the BOX Options Exchange
MIAX Options, MIAX Pearl Options, MIAX Emerald Options & MIAX Sapphire Options Exchanges have declared self-help on the BOX Options...
Technical Alert, Regulatory Alert, Trading Alert
MIAX Sapphire
September 28, 2026 | 10:00 AM
MIAX Exchange Group - Options and Equities Markets - Technical Enhancements to the Member Firm Portal
The MIAX Exchange Group Member Firm Portal is undergoing a technical upgrade for enhanced user access and security. All users will...