MIAX Options® Alerts
Trading Alert, Technical Alert
MIAX Options
October 23, 2026 | 04:54 PM
MIAX Options & MIAX Sapphire Options Exchanges - Planned Internal Networking Changes to Increase the Extranet Port Availability
The MIAX Options and MIAX Sapphire Options Exchanges will make internal networking changes on the following dates to increase the...
Trading Alert, Listing Alert, Regulatory Alert
MIAX Options
October 23, 2026 | 03:18 PM
MIAX Exchange Group - Options Markets - Corporate Action Alert: Westport Fuel Systems Inc (WPRT) Trading Symbol Change
Westport Fuel Systems Inc (WPRT) will change its name and trading symbol to Aetherion Technologies Inc. (AETR) effective Monday, October 26,...
Regulatory Alert, Trading Alert
MIAX Options
October 23, 2026 | 02:48 PM
MIAX Options and MIAX Emerald Options - Change to Opening and Intra-day Quote Width Requirements for Symbol MTD Effective Monday, October 26, 2026
MIAX Options and MIAX Emerald Options will increase the maximum valid bid/ask differentials for the following symbol: METTLER-TOLEDO INTERNATIONAL INC. (MTD) The...
Trading Alert, Technical Alert, Regulatory Alert
MIAX Options
October 23, 2026 | 10:21 AM
MIAX Exchange Group - Options Exchanges - Have Declared Self-Help on NYSE American Options Exchange
MIAX Options, MIAX Pearl Options, MIAX Emerald Options & MIAX Sapphire Options Exchanges have declared self-help on the NYSE American...
Listing Alert
MIAX Options
October 23, 2026 | 09:03 AM
MIAX Exchange Group - Options Markets - Series Made Non-Tradable in ProShares UltraPro QQQ (TQQQ)
The attached series in ProShares UltraPro QQQ (TQQQ) will be made non-tradable on the MIAX Options, MIAX Pearl Options, MIAX Emerald...
Trading Alert, Regulatory Alert
MIAX Options
October 22, 2026 | 02:47 PM
MIAX Options and MIAX Emerald Options - Market for Underlying Security Used for Openings for Newly Listed Symbols Effective Friday, October 23, 2026
Please refer to the Regulatory Circulars listed below for the newly listed symbols and the corresponding market for the underlying...