MIAX Options® Regulatory Circulars
May 28, 2026
MIAX Options RC-2026-74
Change to Opening and Intra-day Quote Width Requirements for Certain Symbols Effective Friday, May 29, 2026
May 27, 2026
MIAX Options RC-2026-73
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Adjusted Symbols Effective Thursday, May 28, 2026
May 26, 2026
MIAX Options RC-2026-72
Market for Underlying Security Used for Openings on MIAX Options for Newly Listed Symbol XOMA Effective Wednesday, May 27, 2026
May 22, 2026
MIAX Options RC-2026-71
Market for Underlying Security Used for Openings on MIAX Options for Newly Listed Symbols Effective Tuesday, May 26, 2026
May 21, 2026
MIAX Options RC-2026-70
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, and MIAX Sapphire Options for Newly Listed Symbol NAKA1 Effective Friday, May 22, 2026
May 20, 2026
MIAX Options RC-2026-69
Market for Underlying Security Used for Openings on MIAX Options and MIAX Emerald Options for Newly Listed Symbol DRAM Effective Thursday, May 21, 2026
May 19, 2026
MIAX Options RC-2026-68
Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Newly Listed Symbol MAIR Effective Wednesday, May 20, 2026
May 19, 2026
MIAX Options RC-2026-67
Position and Exercise Limits Increase for Symbol IBIT