The U.S. Securities and Exchange Commission has opened a five-year, conditional route for trading tokenized versions of U.S.-listed stocks on regulated on-chain platforms, creating a narrowly defined market structure for blockchain-based equities rather than allowing such products to operate through loosely governed token offerings.
The agency’s temporary “Innovation Exemption” permits qualifying Tokenized Securities Venues, or TSVs, to facilitate limited trading in tokenized National Market System stocks. The framework takes effect upon release and is scheduled to expire after five years, around September 2031, unless the SEC adopts a longer-term rulemaking approach. The commission is also seeking public comment on how a permanent regime could work.
The exemption places strict limits on the assets, venues and participants involved. It covers shares listed on major U.S. exchanges, but does not allow token issuers or platforms to create synthetic products that merely track a stock’s price. A token traded under the program must represent an actual interest in the underlying security and provide holders with the same economic and governance rights as conventional shareholders, including dividends and voting rights.
That requirement draws a sharp boundary between regulated tokenized equities and the stock-linked crypto products that have appeared in offshore markets, where users may receive economic exposure to a company without holding the underlying shares or receiving shareholder protections.
Tokenized shares must carry shareholder rights
The SEC said tokenization can be carried out by the listed company itself, a party acting on its behalf, or an unaffiliated third party. In every case, the structure must preserve the rights attached to the traditional security.
Companies retain substantial control over whether their shares appear on a Tokenized Securities Venue. An issuer can object to its securities being tokenized and traded under the exemption, and a TSV must block trading when that objection is made.
Before an unaffiliated third party tokenizes a company’s shares, the venue must provide written notice to the issuer and generally allow at least 30 days for a response. This gives public companies a direct role in deciding whether their stock can enter an on-chain trading environment, reducing the risk that a tokenized version of a listed share emerges without the company’s knowledge.
The exemption also leaves federal anti-fraud and anti-manipulation laws in force. Platforms and participants would remain subject to the same core market-integrity restrictions that govern other securities activity, even where trade settlement or ownership records use blockchain technology.
Permissioned venues on public blockchains
A TSV must be a U.S. entity and comply with economic and trade sanctions administered by the Treasury Department’s Office of Foreign Assets Control. Trading access must be permissioned, meaning only eligible and approved participants can buy or sell tokenized shares through the venue.
The trading model described by the SEC relies on one or more permissioned automated market maker liquidity pools. Automated market makers use smart contracts to quote prices and facilitate transactions against supplied liquidity, rather than relying exclusively on the conventional order-book system used by stock exchanges.
Under the SEC’s conditions, liquidity providers operating those pools would face disclosure and recordkeeping requirements. The venues must also apply standards for matching buyers and sellers and completing transactions within the approved framework.
The model combines a public blockchain requirement with controlled access at the trading layer. Smart contracts used for the tokenized securities must be auditable, publicly available and deployed on a public, permissionless blockchain network. Yet the people and firms able to interact with the securities-trading system would be screened rather than allowed to participate anonymously.
That design could give regulators and issuers greater visibility into the operating rules of tokenized equity markets while preserving the public-chain infrastructure often sought by blockchain developers. It also limits the prospect that tokenized U.S. equities become freely transferable instruments across every wallet and decentralized application.
Limits are tied to stock liquidity
The SEC has imposed volume caps linked to each stock’s prior-month average daily volume, using data reported under the effective transaction reporting plan. The restrictions are intended to keep early on-chain equity activity small relative to trading in the underlying shares.
For Tier 1 securities, which include highly liquid stocks such as S&P 500 and Russell 1000 constituents as well as eligible exchange-traded products, a TSV can list up to 75 symbols. Trading in any one stock cannot exceed 0.25% of that stock’s prior-month average daily volume.
Tier 2 securities, covering other U.S. equities, have a higher per-stock cap of 2.5% of prior-month average daily volume. A TSV may list up to 250 Tier 2 symbols.
The different thresholds reflect the SEC’s effort to limit the chance that a relatively small token market disrupts price formation in heavily traded blue-chip securities, while allowing somewhat more flexibility for less liquid names. The caps also prevent a TSV from rapidly becoming a large parallel market for conventional stocks during the temporary exemption period.
Tokenized trading must pause when the underlying stock is halted on its primary listing venue. TSVs are also expected to coordinate on market safeguards including public disclosures, circuit breakers, record retention and technical protections.
Overnight trading questions remain unresolved
The SEC action arrives as regulators examine the changing structure of U.S. equity trading beyond standard market hours. SEC Commissioner Hester M. Peirce raised six operational questions related to overnight markets, including best-execution obligations when liquidity is fragmented and whether public-company disclosure practices should change as markets remain open for longer periods.
Peirce also questioned whether the SEC’s EDGAR filing system should adjust how it handles company filings submitted after 5:30 p.m. Eastern time. She said extended trading is moving toward a “23*5” model, although overnight trading currently accounts for less than 1% of total NMS stock volume and is concentrated in a small number of securities.
Those issues overlap with the TSV framework in practical ways. Tokenized markets that operate across blockchain infrastructure may encourage demand for longer trading availability, but the exemption does not remove the need to align trading pauses, disclosures and market-protection mechanisms with the traditional equity market.
The SEC’s approach gives compliant platforms a path to test tokenized stock trading without treating blockchain settlement as an exemption from securities-market rules. The five-year window will test whether issuers accept the model, whether permissioned liquidity pools can meet investor-protection standards, and whether on-chain records can integrate smoothly with the obligations attached to publicly traded shares.
Curious how tokenized stocks fit into crypto? Explore real-world use cases in our guide on tokenized equities today.
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