September 14, 2026
MIAX Pearl RC-2026-136
Change to the Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol KHC Effective Monday, September 14, 2026
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September 14, 2026
MIAX Options RC-2026-143
Change to the Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Symbol KHC Effective Monday, September 14, 2026
MIAX Futures
MIAX Futures-DCM-26-75
Pending
Rule Certification Submission Pursuant to Regulation 40.6(a); Amendments to rules related to Onyx 1.3 Release.
September 10, 2026
September 04, 2026
MIAX Futures RC 2026-08
MIAX Futures Rulebook Update
MIAX Pearl
SR-PEARL-2026-39
Effective / Approved
Proposal to amend Rule 2628, Trading Halts Due to Extraordinary Market Volatility. This filing will be implemented on December 6, 2026.
September 03, 2026
Miami International Holdings Reports August 2026 Trading Results
MIAX Futures
MIAX Futures-DCM-26-73
Pending
Rule Certification Submission Pursuant to Regulation 40.6(a); Amendments to Position Limits (Re-location), Minimum Financial Requirements, PRP, and Regular for Delivery Rules
September 02, 2026
September 01, 2026
MIAX Sapphire RC-2026-139
Change to the Penny Interval Program for September 2, 2026
September 01, 2026
MIAX Emerald RC-2026-102
Change to the Penny Interval Program for September 2, 2026
September 01, 2026
MIAX Pearl RC-2026-135
Change to the Penny Interval Program for September 2, 2026