Is Polymarket legal in Arizona?

Using Polymarket from Arizona

Residents of Arizona trade through the Polymarket US app. After you download it, you create an account, verify your identity, and confirm your location — Polymarket then enables trading for Arizona.

Who can trade in Arizona

You must be 18 or older (21+ in some jurisdictions) and complete identity verification. Polymarket markets cover politics, economics, crypto, sports, and culture — settled on real-world outcomes. For the national picture, see where Polymarket is available and our guide to whether Polymarket is legal.

How to sign up from Arizona

Download the Polymarket app, create your account, and enter bonus code COLLEGEPM at sign-up. New users can deposit $10, get a $25 trading bonus!

Sign up on Polymarket → (opens in a new tab)

21+. Gambling problem? Call 1-800-GAMBLER.

What changed in Arizona

Court rulings, regulator actions and bills that affect prediction markets in Arizona. Newest first. Checked against sources on October 1, 2026. This is a record of public events, not legal advice.

1. August 28, 2026

   Ninth Circuit rules for Nevada regulators in Kalshi case

   In KalshiEX v. Assad, a three-judge Ninth Circuit panel upheld the dissolution of an injunction that had protected Kalshi in Nevada, finding Kalshi had not shown that federal commodities law likely preempts Nevada gaming rules for its sports event contracts. The court sent Nevada's challenge to election contracts back to the district court.

   Source: U.S. Court of Appeals for the Ninth Circuit (opinion, No. 25-7516) (opens in a new tab)

2. July 9, 2026

   Arizona governor bars state employees from insider trading on prediction markets

   Gov. Katie Hobbs signed Executive Order 2026-02 prohibiting state employees from using or disclosing nonpublic information to trade on prediction markets.

   Source: Sports Betting Dime (opens in a new tab)

3. May 6, 2026

   Federal judge grants injunction halting Arizona action against Kalshi

   Reported by Sports Betting Dime. U.S. District Judge Michael Liburdi, who had denied Kalshi relief in April, found that Kalshi was likely to succeed in showing that federal law preempts Arizona gambling laws as applied to its event contracts, and granted a preliminary injunction barring the state from proceeding while the case continues. The date shown is the report date.

   Source: Sports Betting Dime (opens in a new tab)

4. April 10, 2026

   Federal court temporarily blocks Arizona criminal case against Kalshi

   At the CFTC's request, the U.S. District Court for the District of Arizona granted a temporary restraining order barring Arizona from continuing criminal proceedings against CFTC-regulated exchanges.

   Source: CFTC press release 9211-26 (opens in a new tab)

5. April 2, 2026

   CFTC sues Arizona, Connecticut and Illinois over prediction markets

   The CFTC filed lawsuits challenging actions by Arizona, Connecticut and Illinois against CFTC-registered exchanges, asking courts to declare that federal law gives the agency exclusive authority over event contracts.

   Source: CFTC press release 9206-26 (opens in a new tab)

6. March 17, 2026

   Arizona Attorney General announces criminal charges against Kalshi

   The Attorney General announced a 20-count misdemeanor complaint in Maricopa County accusing Kalshi of operating an unlicensed gambling business and taking election wagers. A federal court later halted the prosecution.

   Source: NBC News (opens in a new tab)

7. December 5, 2025

   Arizona moves to revoke Underdog fantasy license over prediction markets

   The Arizona Department of Gaming notified Underdog of its intent to revoke the company's fantasy sports license because of its prediction market offering with Crypto.com.

   Source: Sports Betting Dime (opens in a new tab)

8. May 22, 2025

   Arizona Department of Gaming sends Kalshi a cease-and-desist letter

   The department told Kalshi to take immediate steps to comply with Arizona law over its sports event contracts. The date shown is the report date.

   Source: Event Horizon (opens in a new tab)

Frequently asked questions

Is Polymarket available in Arizona?

Yes. The Polymarket app is available to eligible residents of Arizona. You verify your identity and location when you create an account, and Polymarket confirms access at sign-up. Arizona has taken action against other prediction market operators over sports event contracts: Arizona sent Kalshi a cease-and-desist letter in May 2025 and announced criminal charges in March 2026; a federal court has since halted the state's case while the lawsuit continues (injunction reported May 6, 2026). Polymarket is not named in those actions.

How old do I have to be to use Polymarket in Arizona?

You must be 18 or older (21+ in some jurisdictions) and complete identity verification. Prediction-market positions are speculative and can result in loss of the funds you commit.

How do I get the Polymarket bonus in Arizona?

New users in Arizona can deposit $10, get a $25 trading bonus! by signing up through our link and entering bonus code COLLEGEPM. Terms are set by Polymarket and may change.