2026-20794NoticeWallet

SEC Delays CME's Cross-Margin Magic with Mercantile Exchange

Published Date: 10/13/2026

Notice

Summary

CME Securities Clearing Inc. wants to create a new way to manage risks by linking margin requirements with the Chicago Mercantile Exchange. The SEC is taking extra time to review this plan because people have shared their thoughts on it. This affects traders and could change how much money they need to keep on hand, with a decision expected by mid-November 2026.

Analyzed Economic Effects

1 provisions identified: 0 benefits, 0 costs, 1 mixed.

Proposed cross‑margining may change trader margins

If you are a trader clearing through CME Securities Clearing Inc., the firm filed a proposal on August 18, 2026 to adopt a cross‑margin arrangement with the Chicago Mercantile Exchange and to modify its Rulebook and clearing risk management policies. The SEC published the filing on August 31, 2026, has received public comments, and has set November 29, 2026 as the date by which it will act; the proposal could change how much money you must keep on hand for margin.

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Key Dates

Published Date
Effective Date
10/13/2026
11/29/2026

Department and Agencies

Department
Independent Agency
Agency
Securities and Exchange Commission
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