SEC Proposes Transfer Agent Rule, Schedules Roundtable on 24-Hour U.S. Trading

Can a 1977 rulebook govern the rails of a market that never closes? The SEC put that question on the table Monday with a proposed transfer agent rule that explicitly names blockchain and digital asset securities, paired with a September 18 roundtable to stress-test the case for 24-hour U.S. trading. The proposal, released under Securities Exchange Act Rule 17Ad-17, would require transfer agents to establish policies for continuous operational capacity, a phrase that appears nowhere in the current rule set. It asks whether agents handling digital asset securities should maintain systems capable of processing transfers, dividend payments, and proxy materials outside traditional market hours. The SEC also requested comment on whether the definition of transfer agent should expand to include entities performing settlement functions on distributed ledgers. Current rules date to 1977, when settlement cycles ran T+5 and paper certificates moved by courier. The Depository Trust Company did not exist. Market data shows today, DTCC settles $2.4 quadrillion annually on a T+1 cycle, and tokenized treasuries trade on permissioned chains around the clock. The rule gap is not theoretical: transfer agents for tokenized funds already operate infrastructure that does not map to the existing regulatory framework. The September 18 roundtable will bring together exchange operators, clearing agencies, transfer agents, and technology providers. The SEC framed the agenda around three pillars: operational readiness for continuous trading, risk management in compressed settlement windows, and investor protection when markets do not close. Notably, the agency did not propose a rule for 24-hour trading itself, only the fact-finding session. That distinction matters. A roundtable creates a record; a rule proposal creates obligations. Chair Gary Gensler has argued that U.S. markets risk losing competitiveness if they remain tethered to a 6.5-hour trading day while crypto venues and foreign exchanges operate continuously. The European Union's DLT pilot regime already permits 24/7 settlement for tokenized securities. Singapore's MAS has licensed digital asset platforms with round-the-clock operations. The SEC's own 2023 concept release on market structure modernization drew over 200 comment letters, many urging alignment with global peers. Industry reaction split along predictable lines. SIFMA warned that mandatory 24/7 capacity would impose disproportionate costs on smaller transfer agents without clear investor benefit. The Securities Transfer Association countered that voluntary adoption is already underway, major agents have invested in blockchain-compatible rails, and that a regulatory floor would prevent a two-tier system where only the largest firms can service tokenized issuers. The Investment Company Institute urged the SEC to coordinate with the CFTC on any rule that touches commodities-linked digital assets. The 60-day comment period begins upon Federal Register publication, likely mid-September. The roundtable transcript will become part of the rulemaking record. If the SEC follows its typical timeline, a final rule would not arrive before mid-2027, and only after a cost-benefit analysis that the agency has struggled to complete for prior market structure proposals. What happens next is procedural, not speculative. Comments are due 60 days after publication. The roundtable proceeds September 18. The SEC staff reviews the record. A final rule, if any, requires a commission vote. Each step is public, dated, and appealable. Markets that price certainty on regulatory timelines will find only the calendar.