U.S. Option System Status
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MIAX Options
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MIAX Pearl
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MIAX Emerald
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MIAX Sapphire
All Options Exchanges Alerts
Listing Alert
MIAX Emerald
September 29, 2026 | 01:28 PM
MIAX Exchange Group - Options Markets - New Listings Effective for September 30, 2026
The attached option classes will begin trading on the MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire...
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, Trading Alert
MIAX Pearl
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...
Trading Alert, Regulatory Alert
MIAX Options
September 28, 2026 | 01:29 PM
MIAX Options and MIAX Emerald Options - Changes to the Expanded Opening and Intra-day Quote Width Requirements and Order Monitor Settings for Certain Symbols Beginning Thursday, October 1, 2026, Through Thursday, December 31, 2026
MIAX Options and MIAX Emerald Options will change the maximum valid bid/ask differentials for certain symbols traded on the Exchanges....
Trading Alert, Regulatory Alert
MIAX Emerald
September 28, 2026 | 01:29 PM
MIAX Options and MIAX Emerald Options - Changes to the Expanded Opening and Intra-day Quote Width Requirements and Order Monitor Settings for Certain Symbols Beginning Thursday, October 1, 2026, Through Thursday, December 31, 2026
MIAX Options and MIAX Emerald Options will change the maximum valid bid/ask differentials for certain symbols traded on the Exchanges....
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...