MIAX Options® 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 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...
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...
Listing Alert
MIAX Options
October 26, 2026 | 03:29 PM
MIAX Exchange Group - Options Markets - Corporate Action Alert: Madison Square Garden Sports Corporation (MSGS)
Madison Square Garden Sports Corporation (MSGS) has announced a distribution and a name and symbol change effective for Tuesday, October 27,...
Regulatory Alert, Trading Alert, Technical Alert
MIAX Options
October 26, 2026 | 01:20 PM
MIAX Exchanges - Options & Equities - MIAX has resolved the connectivity issue with the MIAX Member Firm Portal.
MIAX has resolved the connectivity issue with the MIAX Member Firm Portal. All MIAX trading systems are operating normally. If you have...
Regulatory Alert, Trading Alert, Technical Alert
MIAX Options
October 26, 2026 | 12:56 PM
MIAX Exchanges - Options & Equities - MIAX is investigating issues with connectivity to the MIAX Member Firm Portal.
MIAX is investigating issues with connectivity to the MIAX Member Firm Portal. All MIAX trading systems are operating normally. If you have...
Technical Alert, Regulatory Alert, Trading Alert
MIAX Options
October 26, 2026 | 10:49 AM
MIAX Exchanges - Investigating issues with the MIAX Member Firm Portal affecting the ability to enter certain post-trade corrections for MIAX Sapphire Floor Trades
Please be advised the MIAX is investigating an issue with the MIAX Member Firm Portal affecting the ability to enter post-trade...