MIAX Emerald® Options Alerts
Regulatory Alert, Trading Alert, Technical Alert
MIAX Emerald
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 Emerald
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...
Trading Alert, Listing Alert, Regulatory Alert
MIAX Emerald
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 Emerald
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 Emerald
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 Emerald
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...