Overnight ETH trading gets procedural risk management upgrade from SEC
Published Date: 9/28/2026
Notice
Summary
The Options Clearing Corporation (OCC) got the green light to use a new step-by-step process for deciding which products can be traded during overnight or extended hours. This change helps OCC manage risks better while supporting more flexible trading times. Traders and clearing members can expect smoother, safer overnight trading starting soon, with no extra costs announced.
Analyzed Economic Effects
6 provisions identified: 5 benefits, 1 costs, 0 mixed.
OCC will classify ETH sessions
The SEC approved OCC's new Rule 402 on September 23, 2026, which lets OCC determine whether a trading session is "regular trading hours" or "extended trading hours." Products executed on an exchange outside of OCC-determined regular hours will be subject to OCC's Extended Trading Hours (ETH) risk management procedures.
OCC can revoke ETH participation
OCC will amend Rule 307B to add a paragraph expressly authorizing the CEO, COO, or a Designated Officer to revoke a Clearing Member's authorization to participate in extended trading hours. Any revocation under new Rule 307B(a)(5) remains subject to the procedural protections in Rule 307B(b) and (c), including the right to request Risk Committee review, advance notice of any hearing, the opportunity to be heard, and representation by counsel.
ETH monitoring extends to early morning
OCC will revise the ETH Procedure so credit-risk monitoring and Clearing Member eligibility validation run continuously through the full ETH session and will explicitly cover the early morning ETH session from 6:30 a.m. to 8:25 a.m. Central Time, continuing until regular trading begins at 8:30 a.m. Central Time. This extends OCC's monitoring window to ensure coverage of proposed expanded ETH hours.
OCC to post ETH rules and eligible list
OCC will publish the ETH Procedure and a list of ETH-eligible products and their clearing sessions on OCC's public website. OCC will also issue an Information Memorandum whenever the ETH Procedure is amended or the eligible-products list is revised.
Formal Clearing Member ETH approval process
Under the revised ETH Procedure, a Clearing Member's participation in ETH must be approved by an Executive Director or above within Financial Risk Management after Market Risk assesses the member's financial condition, operational readiness, and risk profile; the approval or denial will be documented by email. When an exchange proposes a new product or session for ETH clearing, OCC will evaluate it under OCC's existing New Product Procedure.
Non-trade alerts marked as false positives
OCC will add language to the ETH Procedure clarifying that not all credit risk monitoring alerts during ETH sessions reflect losses from ETH trading. Core Clearing or Market Operations will review trade logs to confirm whether an exceedance resulted from actual ETH trade activity; non-trade causes will be logged as false positives in the ETH Turnover Log and will not be escalated further.
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