SEC Charts a Path to 24/7 Tokenized Stock Trading, but the Custody and Surveillance Questions Are Still Open

An SEC innovation exemption that could let qualified platforms trade tokenized U.S. stocks around the clock is taking shape inside an unchanged securities-fraud stack. The U.S. Securities and Exchange Commission is preparing a limited innovation exemption that would give approved platforms a defined route to offer tokenized U.S. stocks for continuous trad Under the proposed framework, qualified venues would be able to process transactions around the clock, including nights, weekends, and public holidays, even though ordinary U.S. equity markets close at 4 p.m. Eastern. The measure is meant to bring more financial activity onto blockchain networks without removing the underlying securities from federal oversight, according to remarks by SEC Chair Paul Atkins.

Speaking in November 2025, Atkins argued that economic substance, not the token label, should determine how securities laws treat blockchain-based assets. A token representing a share of a public company would still qualify as a security, meaning that platforms handling issuance, trading, custody, or settlement could face broker-dealer registration, exchange or alternative trading system rules, transfer-agent obligations, and clearing requirements depending on their activities.

Commissioner Hester Peirce said in March that staff was developing an exemption to facilitate limited trading of certain tokenized securities. She described the possible measure as narrower than the blanket exemption discussed by the SEC’s Investor Advisory Committee. No final framework, eligibility criteria, or implementation date has been announced. Investors therefore cannot assume that tokenized versions of every U.S. stock will soon become available for continuous trading.

Investor protections depend heavily on the type of token offered. An issuer-backed token can represent the same security recorded through a new ownership system, while a product created by an unrelated third party may only track the price of a stock or provide a contractual claim against the issuing platform. In July, two transfer-agent groups asked the SEC to separate issuer-backed shares from unaffiliated tokens, warning that some third-party structures may not give buyers direct ownership, voting rights, or the same legal claim to dividends as registered shareholders.

The SEC’s Investor Advisory Committee raised similar concerns in a March recommendation, opposing a blanket exemption and calling for clear ownership disclosures, regulatory oversight of intermediaries, and protections designed to give investors fair execution terms. The agency would still need to determine how brokers handle best execution, disclosures, and order routing when the underlying stock market is closed and price discovery is spread across blockchain and conventional venues.

Custody presents its own complications. If a third party holds conventional stock and issues a separate token against it, regulators must decide how to confirm the backing and how buyers can recover assets if the issuer or custodian fails. Market surveillance will require dedicated controls as well. The SEC must determine how participating venues detect manipulation, share trading information, and manage transactions that occur when the main U.S. exchanges are closed. Regulators may also need to address how blockchain settlement can operate alongside the Depository Trust Company’s existing custody and post-trade systems, a question that sits at the heart of Regulation NMS modernization.

Parts of the U.S. market have already received narrow permission to test tokenized securities. In December 2025, SEC staff issued a no-action letter allowing the Depository Trust Company to operate a defined tokenization service for three years under specified conditions. The eligible asset universe includes Russell 1000 stocks, major index exchange-traded funds, and U.S. Treasury securities. A no-action letter indicates that SEC staff would not recommend enforcement based on the facts presented, signaling a limited accommodation rather than a permanent rule.

Nasdaq has separately begun a tokenized pilot of its own, working with selected issuers and market participants on infrastructure for blockchain-based representations of listed equities. Together, the DTCC tokenization initiative and the Nasdaq tokenized pilot illustrate how existing market plumbing is being adapted in advance of any broader policy decision.

The broader market structure debate is also being shaped by a formal petition from Ondo Finance asking the SEC to rescind Regulation NMS for tokenized securities. Ondo argues that legacy rules governing price formation, market data, and trade-through protection were built for centralized exchanges and do not translate cleanly to blockchain settlement, where execution occurs continuously across fragmented liquidity pools. A rescission, if granted, would remove one of the biggest structural friction points for issuers seeking to launch fully onchain versions of U.S. equities, though it would also leave price-discovery and best-execution standards in flux during the transition.

That debate has been pushed back further by the SEC’s decision to cancel its August 14 meeting, where market structure reforms were expected to be discussed alongside tokenization. The cancellation has been interpreted by some industry participants as evidence that the Commission wants additional time to coordinate positions across its divisions, rather than signal that tokenized-equity work has stalled. Staff continue to engage with transfer agents, exchanges, and stablecoin issuers on related questions.

For institutional money managers, the delay has produced a familiar wait-or-act calculation. Some prefer to hold tokenization plans until permanent rules clarify how issuer-backed instruments will be distinguished from synthetic products, how surveillance-sharing obligations will be enforced across continuous trading windows, and whether prime-broker custody arrangements will be recognized for blockchain-based holdings. Others are moving ahead under existing exemptive pathways, accepting that early entrants will absorb legal and operational risk in exchange for first-mover positioning. As the calendar slips, the pending SEC tokenized stocks 24/7 trading exemption is increasingly viewed as a near-term tactical opportunity rather than a substitute for the comprehensive framework many allocators say they ultimately need.

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