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
Trading Alert, Regulatory Alert
MIAX Sapphire
August 05, 2026 | 01:47 PM
MIAX Pearl Options and MIAX Sapphire Options - Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Certain Symbols Effective Thursday, August 6, 2026
MIAX Pearl Options and MIAX Sapphire Options will increase the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor maximum...
Trading Alert, Regulatory Alert
MIAX Emerald
August 05, 2026 | 01:46 PM
MIAX Options and MIAX Emerald Options - Change to Opening and Intra-day Quote Width Requirements for Certain Symbols Effective Thursday, August 6, 2026
MIAX Options and MIAX Emerald Options will increase the maximum valid bid/ask differentials for the following symbols: AMBARELLA, INC. (AMBA) WOODWARD, INC....
Trading Alert, Regulatory Alert
MIAX Options
August 05, 2026 | 01:46 PM
MIAX Options and MIAX Emerald Options - Change to Opening and Intra-day Quote Width Requirements for Certain Symbols Effective Thursday, August 6, 2026
MIAX Options and MIAX Emerald Options will increase the maximum valid bid/ask differentials for the following symbols: AMBARELLA, INC. (AMBA) WOODWARD, INC....
Listing Alert, Regulatory Alert, Trading Alert
MIAX Sapphire
August 03, 2026 | 04:40 PM
MIAX Exchange Group - Options Markets - Corporate Action Alert: The Oncology Institute, Inc. (TOI) Trading Symbol Change
The Oncology Institute, Inc. (TOI) will change its name and trading symbol to Starling Oncology Institute, Inc. (STLN) effective Tuesday, August 4,...
Listing Alert, Regulatory Alert, Trading Alert
MIAX Options
August 03, 2026 | 04:40 PM
MIAX Exchange Group - Options Markets - Corporate Action Alert: The Oncology Institute, Inc. (TOI) Trading Symbol Change
The Oncology Institute, Inc. (TOI) will change its name and trading symbol to Starling Oncology Institute, Inc. (STLN) effective Tuesday, August 4,...