Americas Reg Desk

Tuesday, 2026-09-22 · covering the last 24h

United States

SEC approves OCC paying interest on clearing-member margin cash. Accelerated approval of an Options Clearing Corporation rule change (SR-OCC-2026-007, as amended) requires OCC to pay Clearing Members interest on margin cash and Clearing Fund cash — excluding CME cross-margined accounts — at a rate tied to the Fed's IORB less a 10bp cash-management fee. Changes the economics of posting cash margin at the options CCP. Federal Register notice

Nasdaq Texas approved as a primary listing venue. SEC published a Nasdaq Texas rule change (SR-NasdaqTX-2026-042) amending its Equity 1 and Equity 4 rules, including a Nasdaq-style trading-halt framework, to let the exchange host primary (not just dual) listings — a fourth Nasdaq-family primary listing market. Comments due 13 October. Federal Register notice

IEX tidies order-handling rules ahead of its options launch. SEC published an Investors Exchange rule change (SR-IEX-2026-31) fixing internal inconsistencies in Rule 22.260 governing order-type and time-in-force handling, ahead of IEX Options' planned October 2026 launch. Federal Register notice

No material CFTC or FINRA rulemaking, and no Federal Reserve Board rulemaking or supervisory guidance reaching market participants, in the window.

Canada

No material items from CSA/OSC, CIRO or TMX in the window, and no new Bank of Canada FMI rulemaking.

Latin America

No material items from Brazil's CVM/B3/BCB, Mexico's CNBV/BIVA-BMV/Banxico, Chile's CMF/BCCh or Argentina's CNV/BCRA in the window.

Informational only — summaries of public regulatory and central bank sources; not advice.