AZ · Polymarket US · Checked Oct. 21, 2026
Is Polymarket US legal in Arizona?
The short answer
Polymarket US does not publish a list of states where it is unavailable, and we found no court order, regulator action or Polymarket US notice that stops it from serving Arizona as of Oct. 22, 2026.
Arizona has one public action on record that names Polymarket US. The latest (cease-and-desist, December 2025): Arizona's gaming regulator sent Polymarket a cease-and-desist letter (month only reported).
Federal appeals from Arizona go to the Ninth Circuit, which ruled for the states on Aug. 28, 2026.
Availability: Polymarket App Terms & Conditions (ISV Front End), effective October 22, 2026 (embedded at polymarket.us/tos), checked Oct. 22, 2026. A summary of public actions, not legal advice.
Cite this page
Bluebook
Is Polymarket US Legal in Arizona?, Prediction Market Laws (last updated Oct. 22, 2026), https://predictionmarketlaws.com/platforms/polymarket/arizona.
APA
Prediction Market Laws. (2026, October 22). Is Polymarket US Legal in Arizona?. https://predictionmarketlaws.com/platforms/polymarket/arizona
What Arizona has done about Polymarket US
Cease-and-desist
Arizona's gaming regulator sent Polymarket a cease-and-desist letter (month only reported).
Court cases
We track no case between Polymarket US and Arizona.
The legal backdrop in Arizona
- State status
- In litigationThe state and a prediction market operator are actively in court, and no order blocking the operator is in force.
- Online sports betting
- Legal onlineMobile and retail sports betting is legal and regulated by the Arizona Department of Gaming.
- Federal appeals court
- Ninth CircuitRuled for the states.
- Who regulates
- Arizona Department of Gaming; Arizona Attorney General's Office
- Laws and bills
- None specific to prediction markets
Using Polymarket US in Arizona
- Minimum age
- 18
- Identity checks
- Polymarket US requires date of birth, a phone number confirmed by text code, legal name, residential address and Social Security number. Most users are verified automatically; others may be asked for a government-issued ID and a selfie check. KYC must be completed before depositing or trading, and the terms require KYC, AML and sanctions screening. Source
Other platforms in Arizona
- KalshiNo restriction found
- Polymarket USNo restriction found
- Gemini PredictionsNo restriction found
- RobinhoodNo restriction found
- Crypto.comNo restriction found
- CoinbaseNo restriction found
- WebullNo restriction found
- DraftKings PredictionsSports blocked
- FanDuel PredictsSports blocked
- UnderdogNot offered
- PrizePicksNot offered
- Fanatics MarketsNot offered
Questions people ask
- Is Polymarket US legal in Arizona?
- Polymarket US does not publish a list of states where it is unavailable, and we found no court order, regulator action or Polymarket US notice that stops it from serving Arizona as of Oct. 22, 2026. Arizona has one public action on record that names Polymarket US. The latest (cease-and-desist, December 2025): Arizona's gaming regulator sent Polymarket a cease-and-desist letter (month only reported). This summarises public actions; it is not legal advice.
- Has Arizona sued Polymarket US or ordered it to stop?
- Yes. December 2025: Arizona's gaming regulator sent Polymarket a cease-and-desist letter (month only reported).
- How old do you have to be to use Polymarket US in Arizona?
- 18. That is Polymarket US's minimum age, and it lists no different rule for Arizona.
- Is sports betting legal in Arizona?
- Legal online. Mobile and retail sports betting is legal and regulated by the Arizona Department of Gaming.
- Which court will decide whether Arizona can regulate Polymarket US?
- Federal appeals from Arizona go to the Ninth Circuit, which ruled for the states on Aug. 28, 2026. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.