2026-19395NoticeWallet

Cboe EDGX Demands Overnight Trade Guarantees from Members

Published Date: 9/23/2026

Notice

Summary

Cboe EDGX Exchange is updating its rules to use the term “Qualified Clearing Agency” instead of “registered clearing agency,” making it clear that non-members can act as clearing firms. Also, members who want to trade overnight must have a special letter from a clearing firm to guarantee their trades. These changes take effect immediately and help keep overnight trading smooth and secure.

Analyzed Economic Effects

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

Non‑Members May Serve as Clearing Firms

If you are a Member (a registered broker‑dealer) or a firm that clears trades, the Exchange clarified that a non‑Member firm may act as a Clearing Firm to clear transactions for a Member. The rule states that non‑Member Clearing Firms remain subject to the membership requirements of a Qualified Clearing Agency and must execute appropriate guarantee agreements with the Exchange.

Overnight Trading Requires Separate Clearing Guarantee

If you are a Member and want to trade in the Exchange's Overnight Trading Session (defined as 9:00 p.m. on the prior night to 4:00 a.m. Eastern Time), you must maintain a separate, effective letter of guarantee or authorization from a Clearing Firm that is properly authorized by the relevant Qualified Clearing Agency to clear and settle Overnight Trading Session transactions. The Exchange may prevent a Member's access and connectivity during the Overnight Trading Session if the required letter is not on file.

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Key Dates

Effective Date
Published Date
9/9/2026
9/23/2026

Department and Agencies

Department
Independent Agency
Agency
Securities and Exchange Commission
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