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 Options
October 27, 2026 | 08:52 AM
Update: MIAX Exchange Group - Options Markets - Corporate Action Alert - Madison Square Garden Sports Corporation (MSGS)
As previously announced in the October 26, 2026 Alert, MSG Knickerbockers Corporation (MSGK) will not be available for trading today, Tuesday, October 27,...
Regulatory Alert, Technical Alert, Trading Alert
MIAX Sapphire
October 27, 2026 | 07:44 AM
MIAX Exchanges - Resolved - Issue with the MIAX Member Firm Portal affecting the ability to enter certain post-trade corrections for MIAX Sapphire Floor Trades
MIAX has resolved the MIAX Member Firm Portal software defect that impacted the ability to enter certain post-trade corrections for...
Regulatory Alert, Technical Alert, Trading Alert
MIAX Emerald
October 27, 2026 | 07:44 AM
MIAX Exchanges - Resolved - Issue with the MIAX Member Firm Portal affecting the ability to enter certain post-trade corrections for MIAX Sapphire Floor Trades
MIAX has resolved the MIAX Member Firm Portal software defect that impacted the ability to enter certain post-trade corrections for...
Regulatory Alert, Technical Alert, Trading Alert
MIAX Options
October 27, 2026 | 07:44 AM
MIAX Exchanges - Resolved - Issue with the MIAX Member Firm Portal affecting the ability to enter certain post-trade corrections for MIAX Sapphire Floor Trades
MIAX has resolved the MIAX Member Firm Portal software defect that impacted the ability to enter certain post-trade corrections for...
Regulatory Alert, Technical Alert, Trading Alert
MIAX Pearl
October 27, 2026 | 07:44 AM
MIAX Exchanges - Resolved - Issue with the MIAX Member Firm Portal affecting the ability to enter certain post-trade corrections for MIAX Sapphire Floor Trades
MIAX has resolved the MIAX Member Firm Portal software defect that impacted the ability to enter certain post-trade corrections for...
Trading Alert, Technical Alert, Regulatory Alert
MIAX Pearl
October 26, 2026 | 04:11 PM
MIAX Exchanges - Update- Issue with the MIAX Member Firm Portal affecting the ability to enter certain post-trade corrections for MIAX Sapphire Floor Trades
Please be advised that MIAX is currently processing clearing corrections on behalf of the SPHR Floor participants. All MIAX trading systems...
Trading Alert, Technical Alert, Regulatory Alert
MIAX Sapphire
October 26, 2026 | 04:11 PM
MIAX Exchanges - Update- Issue with the MIAX Member Firm Portal affecting the ability to enter certain post-trade corrections for MIAX Sapphire Floor Trades
Please be advised that MIAX is currently processing clearing corrections on behalf of the SPHR Floor participants. All MIAX trading systems...
Trading Alert, Technical Alert, Regulatory Alert
MIAX Options
October 26, 2026 | 04:11 PM
MIAX Exchanges - Update- Issue with the MIAX Member Firm Portal affecting the ability to enter certain post-trade corrections for MIAX Sapphire Floor Trades
Please be advised that MIAX is currently processing clearing corrections on behalf of the SPHR Floor participants. All MIAX trading systems...