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Polymarket US review

Polymarket US is a CFTC-regulated exchange where US traders buy event contracts on sports, politics, crypto and more through the Polymarket App or polymarket.us. It charges a taker fee on each fill. Polymarket US is available in every state except Nevada. Several states dispute its sports contracts.

Checked November 4, 2026. Polymarket US's own rules govern.

What’s listed

74,249 markets across 5,827 events listed on Polymarket US, by category.

As of Nov 3, 1:45 PM ET, from Polymarket US’s public listings, refreshed daily. An event is one game, race or question; its markets are the lines and props on it.

Everything on Polymarket US: app, fees, states and live boards →

Fees

Polymarket US: Taker fee 6.95% × price × (1 − price) per contract, max $1.74 per 100. Kalshi: Taker fee 7% × price × (1 − price) per contract, max 1.75¢. Work out any trade on our Polymarket US fees calculator.

The app

The Polymarket App runs on iOS and Android, and polymarket.us works on a computer. Store ratings move, so read the current one on the listing.

Availability

Polymarket US is available in every state except Nevada. 14 states are on our state-status tracker, with dates and sources. The Polymarket App checks eligibility when you sign up.

How it compares with Kalshi

Both are CFTC-regulated, with taker fees of nearly the same size. Kalshi lists the broader slate. See Kalshi vs Polymarket US for the same contracts priced after fees.

Polymarket US promo code

Frequently Asked Questions

Is Polymarket US legit?

Polymarket US is a CFTC-regulated exchange operated by QCX LLC. Regulation is a fact about oversight and not a promise about outcomes: trading is risky, and you can lose all of what you put in.

What are the downsides of Polymarket US?

Trading can lose money, a taker fee is charged win or lose, not every market is available in every state, and 14 states are on our tracker for actions or disputes involving Polymarket.

Is Polymarket US better than Kalshi?

It depends on the market you want. Both are CFTC-regulated, and their taker fees are close. Kalshi lists a broader slate; compare the same contract on our Kalshi vs Polymarket US page.

Does Polymarket US have an app?

Yes. The Polymarket App is on iOS and Android, and polymarket.us works on a computer.

Sponsored by Polymarket US

18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See https://polymarketexchange.com/files/legal/Polymarket%20US%20Rulebook%20(2026.09.30).pdf for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated exchange and clearing organization.