Is Polymarket Legal in the US? The 2026 Answer
The answer starts with the exact venue. Polymarket international and Polymarket US are separate products. An account, API integration, or regulatory claim about one does not establish eligibility on the other. This review checked the primary sources below on October 13, 2026; it does not decide whether a particular person may trade a particular contract.
Separate the two products
The CFTC's current exchange register lists QCX LLC, doing business as Polymarket US, as a designated contract market. That is a specific entity's registration status. It is not a blanket determination about every contract, location, account, intermediary, or use of the Polymarket brand.
Polymarket international's current geographic-restrictions documentation lists the United States as close-only on both its frontend and API. That allows closing existing positions under the documented restriction but does not allow opening new ones. Read the current policy rather than relying on an old description that says the entire site is simply inaccessible.
The two products have separate developer documentation. If you are building software, keep their endpoints, credentials, market identifiers, order semantics, and terms distinct. A program that can retrieve public data has not thereby established permission to place orders.
What the historical enforcement action establishes
In January 2022, the CFTC announced a settlement with Blockratize, doing business as Polymarket, over an unregistered event-based binary-options facility. The order imposed a $1.4 million penalty and required noncompliant markets to wind down. That source documents an enforcement action; it does not answer all present-day eligibility questions for the separate registered US exchange.
Avoid treating either the old settlement or the new registration as a shortcut. The useful question is which entity offers the contract you are considering, under which current rules, through which account, and from which jurisdiction.
Registration and access are different checks
The CFTC announced lawsuits challenging state actions against registered prediction-market exchanges in April 2026. That announcement states the agency's jurisdictional position. It is not a final court judgment, and this article does not claim a nationwide or state-specific litigation outcome.
Before making a decision, inspect current venue eligibility, account agreements, contract rules, and any applicable legal restrictions. If a state rule or court order matters to your situation, consult its current text and qualified advice. A platform accepting a signup is weak evidence about the legality of a later transaction.
A practical verification record
- Record the precise venue and legal entity, rather than just the brand name.
- Save the date and link for the current access policy and account terms.
- Check the exact contract's rules and the permitted activity for your location.
- Distinguish public-data access, account eligibility, opening orders, and closing existing positions.
- Keep any legal or tax determination separate from a software tutorial or an exchange-registration lookup.
A dated record makes a later change visible. Recheck it before acting; a screenshot or article from a previous month cannot establish that today's rules are unchanged. Do not use a VPN or a server in another region to treat an ineligible account as eligible.
Where Banger fits
Banger's public beta is for paper research. It does not accept public live deployments. Its hosted historical backtesting workflow supports Kalshi; an article comparing venues should not be read as an announcement that Banger provides public live access to either Polymarket product.
Paper testing can help examine data, strategy decisions, and simulation assumptions. It does not create venue eligibility, replace a legal assessment, or prove that a simulated fill could be obtained with real funds. Keep those separate decisions explicit before committing capital.