Self-Regulatory Organizations; The Options Clearing Corporation; Notice of Filing of Proposed Rule Change by The Options Clearing Corporation Concerning Methodology To Allocate Clearing Fund Deposit Requirements Among Its Clearing Members To Better Align the Allocation With The Sizing of The Clearing Fund so Stress Based Risk Is Fairly Allotted to Market Participants That Expose OCC to Such Stress Risk

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Securities and Exchange Commission [Release No. 34-104111; File No. SR-OCC-2025-018] Pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 (“Exchange Act” or “Act”), [ 1 ] and Rule 19b-4 thereunder, [ 2 ] notice is hereby given that on September 26, 2025, The Options Clearing Corporation (“OCC” or “Corporation”) filed with the Securities and Exchange Commission (“SEC” or “Commission”) the proposed rule change as described in Items I, II, and III below, which Items have been prepared primarily by OCC. The Commission is publishing this notice to solicit comments on the proposed rule change from interested persons. I. Clearing Agency's Statement of the Terms of Substance of the Proposed Rule Change This proposed rule change would allocate Clearing Fund deposit requirements in connection with its methodology among its Clearing Members to better align the allocation with the sizing of the Clearing Fund so that stress based risk is fairly allotted to those market participants that expose OCC to such stress risk. Specifically, the proposed changes would: (1) modify OCC's allocation weighting formula for allocating Clearing Fund Contribution requirements by introducing a 70% Clearing Fund risk-based shortfall allocation based on stress loss in excess of margin (the “shortfall”); changing the weighting percentages by reducing the margin allocation from 70% to 15%; removing the open intere…