All Options Exchanges Regulatory Circulars
September 23, 2026
MIAX Options RC-2026-148
Change to the Upon Receipt Improvement Percentage (“URIP”) Setting
September 23, 2026
MIAX Emerald RC-2026-108
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Newly Listed Symbol STDN Effective Thursday, September 24, 2026
September 22, 2026
MIAX Sapphire RC-2026-144
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbol BWET Effective Wednesday, September 23, 2026
September 22, 2026
MIAX Pearl RC-2026-140
Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbol BWET Effective Wednesday, September 23, 2026
September 22, 2026
MIAX Options RC-2026-147
Change to Opening and Intra-day Quote Width Requirements for Symbol BWET Effective Wednesday, September 23, 2026
September 22, 2026
MIAX Options RC-2026-146
Market for Underlying Security Used for Openings on MIAX Options and MIAX Emerald Options for Newly Listed Symbols Effective Wednesday, September 23, 2026
September 22, 2026
MIAX Emerald RC-2026-107
Change to Opening and Intra-day Quote Width Requirements for Symbol BWET Effective Wednesday, September 23, 2026
September 22, 2026
MIAX Emerald RC-2026-106
Market for Underlying Security Used for Openings on MIAX Options and MIAX Emerald Options for Newly Listed Symbols Effective Wednesday, September 23, 2026