Is Polymarket Legal in the US? Everything You Need to Know

The Quick Answer: Yes, Polymarket Is Federally Legal

Yes, Polymarket is legal in the United States as of 2026. The platform received federal approval from the CFTC (Commodity Futures Trading Commission) after acquiring QCEX, a regulated derivatives exchange, in November 2025. Polymarket is now officially operating as an "intermediated trading platform" under CFTC oversight.

That said, the legal story is more nuanced. While Polymarket is federally legal, several states—Nevada, Massachusetts, Arizona, New York, New Jersey, and Connecticut—have filed challenges or raised regulatory concerns. Most US users can access Polymarket, but state regulations may apply in your jurisdiction. New to prediction markets entirely? Start with our beginner's guide to prediction markets.

How Polymarket Got Legal: The Timeline

The path from startup to federal approval was rocky. Here's how Polymarket went from a $1.4 million fine to operating under CFTC regulation:

The Path to Federal Approval: How It Happened

The QCEX Acquisition (November 2025)

The turning point came in November 2025 when Polymarket announced the acquisition of QCEX (QuantEX), a CFTC-designated derivatives exchange and clearinghouse. This $112 million deal was the critical move that made federal approval possible.

Why? Because QCEX already had CFTC designation as a Designated Contract Market (DCM) and a Derivatives Clearing Organization (DCO). By acquiring QCEX, Polymarket inherited that regulatory status and could operate as an "intermediated trading platform"—essentially a venue where traders can execute contracts on QCEX's infrastructure.

The Amended Order of Designation

On November 25, 2025, the CFTC issued an Amended Order of Designation formally recognizing Polymarket as an intermediated trading platform under QCEX's regulatory umbrella. This order confirmed that Polymarket's prediction market contracts—on politics, sports, crypto, weather, and other events—qualify as commodity derivatives under the Commodity Exchange Act.

The US Rulebook

By December 30, 2025, Polymarket submitted its comprehensive US Rulebook to the CFTC. This rulebook outlines:

• KYC (Know Your Customer) requirements for all US users
• Market surveillance and manipulation prevention protocols
• Segregation of customer funds (held in the regulated clearinghouse)
• Order types and trading halts
• Dispute resolution processes
• Prohibited users (under sanctions, on terrorist watchlists, etc.)

Can You Actually Use Polymarket in the US Right Now?

Yes, but with a caveat: Polymarket is currently operating on a waitlist and invite-only basis as of March 2026.

The Current Status (March 2026)

Polymarket relaunched on its US platform in early 2026, but signup is restricted to managed participants. You have two main ways to access it:

1. Waitlist: Visit polymarket.com and request an invite. Polymarket is gradually rolling out access as they scale infrastructure.
2. Invite Code: If you have an invite code from Polymarket, you can skip the waitlist and sign up immediately.

KYC Requirements

To sign up, you'll need to complete Know Your Customer verification, which requires:

• Valid government-issued ID (driver's license, passport, etc.)
• Proof of address (utility bill, bank statement, etc.)
• Phone number verification
• Confirmation that you're 18+ and a US resident

This is standard for regulated derivatives platforms and protects both you and Polymarket from fraud and illegal activity.

Deposit Methods

Polymarket currently accepts deposits via:

• USDC (stablecoin on Polygon or Ethereum)
• Bank transfers (USD ACH—coming soon)
• Credit/debit cards (coming soon)

The phased rollout reflects the platform's cautious approach to scaling while maintaining regulatory compliance.

State-Level Legal Challenges: Where Is Polymarket Blocked?

While Polymarket is federally legal, several states have filed lawsuits or raised regulatory concerns. Here's the current state-by-state breakdown as of March 2026:

What Does This Mean for You?

If you live in a green state: Polymarket is accessible and legal. Sign up on the waitlist and follow KYC requirements.

If you live in a yellow state (NY, NJ, CT): Polymarket is technically accessible, but state regulators are reviewing the legality. Use at your own risk and check back for updates. Consider consulting a local attorney.

If you live in a red state (NV, MA, AZ): Active state challenges are underway. Polymarket may restrict access in these states, or lawsuits may result in injunctions. Do not use Polymarket without consulting a local attorney.

Polymarket vs. Kalshi: A Legal Comparison

You've probably heard of both Polymarket and Kalshi. Both are prediction market platforms regulated by the CFTC, but they took different paths to get there. Here's how they compare:

Why the Difference?

Kalshi got CFTC approval first by proposing a narrow set of binary contracts on US economic data (like unemployment, inflation, interest rates). The CFTC vetted each contract type individually before approval.

Polymarket took longer but is now offering a much broader range of markets (anything imaginable), which is why it needed to acquire an already-regulated exchange rather than apply directly for DCM status.

Both are legally equivalent at the federal level, but Kalshi is currently experiencing fewer state-level blockers due to its narrower market scope and clearer regulatory history. For a deeper look at how prices work on these platforms, read our breakdown of how to read Polymarket prices vs. sportsbook odds.

Is Polymarket Safe to Use?

Safety involves both security and regulatory protection. Here's how Polymarket stacks up:

Regulatory Protection

Customer Fund Protection: Polymarket's funds are held by QCEX's designated clearinghouse, which is required to segregate customer assets from operational funds. If Polymarket ever went bankrupt, your money would be protected and returned to you.

Market Surveillance: The CFTC has the power to inspect Polymarket's systems, review trades, and investigate manipulation. Polymarket must file detailed surveillance reports.

Blockchain Transparency: Because Polymarket uses blockchain for settlement, every transaction is immutably recorded on the Polygon network. You can verify your trades independently if you want to.

Security Considerations

KYC Requirements: Polymarket's mandatory KYC process prevents account takeovers by bad actors (though it also means less anonymity).

Password & 2FA: Use a strong password and enable two-factor authentication (TOTP or authenticator apps are more secure than SMS).

Custody: Keep most of your funds in cold storage if you're a big trader. Only deposit what you plan to trade.

Smart Contract Risk: Like all blockchain platforms, Polymarket's smart contracts carry technical risk. Audits have been performed, but bugs are always possible.

Taxes: What You Need to Know

Yes, you have to pay taxes on Polymarket profits. Here's the basic framework:

How Gains Are Taxed

Polymarket profits are treated as Section 1256 contracts (commodity derivatives) under the IRS tax code. This means:

• Long-term capital gains: 60% of your gains are taxed at long-term capital gains rates (more favorable), and 40% at short-term rates, regardless of how long you hold.
• Reporting: You must report on Form 8949 (Sales of Capital Assets) and Schedule D.
• Mark-to-market: Even if you don't sell, the IRS may require you to "mark to market" your positions at year-end, recognizing gains/losses.

Wash Sale Rules

The wash sale rule (which allows you to deduct losses only if you don't buy similar positions within 30 days) typically does not apply to Section 1256 contracts. This is more favorable than stock trading.

Record Keeping

Keep meticulous records of every trade:

• Entry price and date
• Exit price and date
• Position size
• Profit/loss

Polymarket will likely provide a tax report, but it's your responsibility to verify accuracy.

The Legal Argument: Federal Preemption

Here's why Polymarket's legal team believes federal regulation trumps state gambling laws:

The Commodity Exchange Act

Prediction markets like Polymarket are regulated under the Commodity Exchange Act (CEA), a federal statute that gives the CFTC exclusive authority over commodity derivatives trading.

The law states that DCMs and intermediated platforms must comply with CFTC rules, but once they do, they're operating under a federal regulatory scheme. States cannot impose their own gambling laws on top of federal derivatives regulation—that would violate the Supremacy Clause of the US Constitution.

The Ongoing Debate

Nevada, Massachusetts, and Arizona argue that prediction markets are gambling under state law, not commodity derivatives, and that states retain police powers to regulate gambling within their borders.

Polymarket's legal team argues that the CEA is the federal law governing commodity derivatives, and that characterizing them as "gambling" is a state-law question that doesn't override federal regulation.

Who Will Win?

This is unsettled. The outcomes will likely depend on:

• Federal court decisions: Which courts rule first and how they interpret federal preemption
• CFTC stance: How aggressively the CFTC defends its regulatory authority
• Congressional action: Whether Congress clarifies the law (unlikely in the short term)

The safest bet: Federal preemption will eventually prevail, but state litigation will drag on for 2-3 more years.

The Bottom Line

Polymarket is federally legal in the United States as of 2026. The platform is regulated by the CFTC, your funds are protected by a designated clearinghouse, and millions of users are trading on it every day.

That said, state legal challenges are ongoing, and the outcome is uncertain. Nevada, Massachusetts, and Arizona have filed or are considering suits arguing that prediction markets violate state gambling laws.

For most users, the risks are low: sign up, verify your identity, fund your account, and trade. If you're ready to dive in, our beginner's guide to prediction markets walks you through the process step by step, and our prediction market converter helps you translate prices into odds formats you already know. But if you live in a state with active challenges, do your homework before signing up, or consult a local attorney to understand your specific exposure.

The prediction market industry is here to stay. Whether Polymarket specifically survives state litigation is a different question—but the CFTC has made it clear that federal derivatives regulation is the law of the land, and federal courts are likely to agree. We've been trading on Polymarket ourselves — Matt made $2,900 on the Texas Senate primary — and we track all our bets publicly on our live scorecard.

Frequently Asked Questions