SEC lets tokenized US stocks use AMMs

TLDR

The SEC has created a 5?year Innovation Exemption that lets regulated venues trade tokenized U.S. stocks using onchain automated market makers (AMMs) in tightly controlled conditions.

1. The exemption allows Tokenized Securities Venues (TSVs) to trade tokenized National Market System stocks via permissioned AMM liquidity pools on public blockchains, without registering as exchanges.
2. The rules only cover real, rights?bearing tokenized stocks and impose limits, issuer veto rights, KYCd access, transparency, and synchronized trading halts, keeping this far from open DeFi.
3. For crypto users, this is a cautious bridge between U.S. equities and DeFi infrastructure, with a 5?year test window that could expand, tighten, or end depending on how these markets perform.

Deep Dive

1. What The SEC Has Actually Allowed

On 17 September 2026, the SEC approved an Innovation Exemption that gives qualifying Tokenized Securities Venues temporary relief from being classified as exchanges when they trade tokenized U.S. National Market System (NMS) stocks via permissioned AMMs and liquidity pools on public, permissionless blockchains.

TSVs can match buyers and sellers using AMM smart contracts instead of order books, while certain liquidity providers that supply tokenized stocks into these pools also receive conditional relief from dealer registration requirements. This exemption lasts up to five years and is explicitly framed as an experiment to gather data for longer?term rules on onchain securities trading.

2. Guardrails, Limits And Exclusions

The exemption only applies to genuine tokenized NMS stock, meaning tokens that represent actual shares and carry the same rights as the underlying security, such as dividends and voting, while synthetic tokens that merely track prices are excluded. TSVs must run auditable smart contracts on public, permissionless ledgers and halt trading whenever the underlying stock is halted on its primary exchange.

There are strict caps on the number of symbols and volumes, plus permissioned access. Pools must be allowlisted, with KYC, sanctions checks and transparency obligations, including regular publication of USD?denominated trade data, pool sizes and daily volumes. Issuers must receive advance notice of third?party tokenizations and can veto having their shares traded in tokenized form.

3. Why It Matters For Crypto And What To Watch

The framework gives crypto?native infrastructure a regulated role in U.S. equity markets, opening the door to features like 24/7 trading, instant settlement and easy fractionalization of real stocks, but within a permissioned perimeter. Firms building tokenization and onchain brokerage products, such as platforms offering tokenized equities, have an onshore route to scale if they can qualify as TSVs and meet the operational burden.

The key uncertainties are whether issuers embrace or resist tokenization, how much real liquidity develops in these AMM pools, and what the SEC does when the 5?year window ends. Market performance, incident history and public feedback will heavily influence whether this becomes permanent, is expanded, or is rolled back.

Conclusion

By allowing tokenized U.S. stocks to trade via permissioned AMMs, the SEC has cracked open a regulated lane where DeFi mechanisms and Wall Street equities intersect. The structure is cautious and highly constrained, but it gives both crypto firms and traditional brokers a chance to prove that public blockchains and liquidity pools can handle parts of the U.S. stock market under strict safeguards. What happens to volumes, incidents and issuer participation in this framework will shape how far tokenization can move from todays controlled sandbox into the core of global capital markets.