U.S. Option System Status
  • MIAX Options

  • MIAX Pearl

  • MIAX Emerald

  • MIAX Sapphire

All Options Exchanges Alerts

Listing Alert

MIAX Sapphire

March 12, 2026 | 03:04 PM

MIAX Exchange Group - Options Markets - Delisting of Harvard Bioscience, Inc. (HBIO)

Harvard Bioscience, Inc. (HBIO) will be de-listed from the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange, and...

Trading Alert, Technical Alert, Regulatory Alert

MIAX Sapphire

March 12, 2026 | 12:55 PM

MIAX Exchange Group - Option Exchanges - Application Message Rate Guidance for eQuotes, IOC and ISO Orders

Effective April 1, 2026, in the interest of protecting the performance profile of the MIAX trading systems and to provide...

Trading Alert, Technical Alert, Regulatory Alert

MIAX Options

March 12, 2026 | 12:55 PM

MIAX Exchange Group - Option Exchanges - Application Message Rate Guidance for eQuotes, IOC and ISO Orders

Effective April 1, 2026, in the interest of protecting the performance profile of the MIAX trading systems and to provide...

Trading Alert, Technical Alert, Regulatory Alert

MIAX Pearl

March 12, 2026 | 12:55 PM

MIAX Exchange Group - Option Exchanges - Application Message Rate Guidance for eQuotes, IOC and ISO Orders

Effective April 1, 2026, in the interest of protecting the performance profile of the MIAX trading systems and to provide...

Trading Alert, Technical Alert, Regulatory Alert

MIAX Emerald

March 12, 2026 | 12:55 PM

MIAX Exchange Group - Option Exchanges - Application Message Rate Guidance for eQuotes, IOC and ISO Orders

Effective April 1, 2026, in the interest of protecting the performance profile of the MIAX trading systems and to provide...

Trading Alert, Regulatory Alert

MIAX Sapphire

March 12, 2026 | 11:12 AM

MIAX Exchange Group - Options Markets - Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for the Adjusted Symbol GFI1 Effective Friday, March 13, 2026

Gold Fields Limited adjusted option class (“GFI1”) will be available for trading on MIAX Options, MIAX Pearl Options, and MIAX...

Trading Alert, Regulatory Alert

MIAX Pearl

March 12, 2026 | 11:12 AM

MIAX Exchange Group - Options Markets - Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for the Adjusted Symbol GFI1 Effective Friday, March 13, 2026

Gold Fields Limited adjusted option class (“GFI1”) will be available for trading on MIAX Options, MIAX Pearl Options, and MIAX...

Trading Alert, Regulatory Alert

MIAX Options

March 12, 2026 | 11:12 AM

MIAX Exchange Group - Options Markets - Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for the Adjusted Symbol GFI1 Effective Friday, March 13, 2026

Gold Fields Limited adjusted option class (“GFI1”) will be available for trading on MIAX Options, MIAX Pearl Options, and MIAX...