U.S. Option System Status
  • MIAX Options

  • MIAX Pearl

  • MIAX Emerald

  • MIAX Sapphire

All Options Exchanges Alerts

Regulatory Alert, Trading Alert, Listing Alert

MIAX Pearl

October 28, 2025 | 06:21 PM

MIAX Exchange Group - Options Markets - Corporate Action Alert: HCM II Acquisition Corporation (HOND) will change its name and trading symbol to Terrestrial Energy Inc. (IMSR)

HCM II Acquisition Corporation (HOND) will change its name and trading symbol to Terrestrial Energy Inc. (IMSR) effective on Wednesday,...

Listing Alert

MIAX Pearl

October 28, 2025 | 03:16 PM

MIAX Exchange Group - Options Markets - Delisting of Tourmaline Bio, Inc. (TRML)

Tourmaline Bio, Inc. (TRML) will be de-listed from the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange, and MIAX Sapphire...

Listing Alert

MIAX Sapphire

October 28, 2025 | 03:16 PM

MIAX Exchange Group - Options Markets - Delisting of Tourmaline Bio, Inc. (TRML)

Tourmaline Bio, Inc. (TRML) will be de-listed from the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange, and MIAX Sapphire...

Listing Alert

MIAX Emerald

October 28, 2025 | 03:16 PM

MIAX Exchange Group - Options Markets - Delisting of Tourmaline Bio, Inc. (TRML)

Tourmaline Bio, Inc. (TRML) will be de-listed from the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange, and MIAX Sapphire...

Listing Alert

MIAX Options

October 28, 2025 | 03:16 PM

MIAX Exchange Group - Options Markets - Delisting of Tourmaline Bio, Inc. (TRML)

Tourmaline Bio, Inc. (TRML) will be de-listed from the MIAX Options Exchange, MIAX Pearl Options Exchange, MIAX Emerald Options Exchange, and MIAX Sapphire...

Technical Alert, Trading Alert

MIAX Emerald

October 28, 2025 | 03:00 PM

MIAX Emerald Options Exchange - Firm Test Bed Maintenance Scheduled for November 6, 2025 and November 7, 2025

The MIAX Emerald Options Exchange will perform maintenance on the Firm Test Beds (FTB1 & FTB2) on Thursday, November 6,...

Listing Alert

MIAX Pearl

October 28, 2025 | 11:51 AM

MIAX Exchange Group - Options Markets - Corporate Action Alert: Select T-Rex ETFs

The following ETFs have announced reverse stock splits effective for Wednesday, October 29, 2025.  On that date, the current option...

Listing Alert

MIAX Sapphire

October 28, 2025 | 11:51 AM

MIAX Exchange Group - Options Markets - Corporate Action Alert: Select T-Rex ETFs

The following ETFs have announced reverse stock splits effective for Wednesday, October 29, 2025.  On that date, the current option...