Kalshi
$152.9M
Fees paid by users, 30d
US residents who want CFTC-regulated, dollar-denominated event contracts on sports, politics, economics and weather.
Open KalshiBest prediction markets (2026)
For betting on real-world events, our top pick is Kalshi — uS residents who want CFTC-regulated, dollar-denominated event contracts on sports, politics, economics and weather. Also strong: Polymarket.
Checked 2026-10-16 · 2 venues · methodPolymarket
$112.7M
Fees paid by users, 30d
Traders who want order-book prediction markets on politics, sports, crypto and world events, through the international site or the CFTC-regulated US app.
Open PolymarketFull ranking
| # | Venue | Round trip | Fees paid, 30d | |
|---|---|---|---|---|
| 1 | Kalshi | — | $152.9M | Open |
| 2 | Polymarket | — | $112.7M | Open |
The picks
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Kalshi
· web
Kalshi is a US prediction-market exchange regulated by the CFTC as a Designated Contract Market, where users trade event contracts on sports, politics, economics, weather and other outcomes in US dollars. It also offers perpetual futures to approved US users through its FCM, Kalshi Prime.
- Regulated by the CFTC as a Designated Contract Market since November 2020.
- Perps margin is held by an FCM in a customer-segregated account, and perps balances are walled off from predictions balances.
Watch out: Sports contracts are restricted or under injunction in Nevada, Massachusetts and Washington, and New York's AG is suing.
Open Kalshi · Full Kalshi sheet -
Polymarket
Polygon · web, ios
Polymarket is a prediction market where users trade Yes/No outcome shares on an order book. It runs two separate platforms: the international, crypto-based polymarket.com on Polygon, and Polymarket US, a fiat, CFTC-regulated exchange operated by QCX LLC. The international site also lists perpetual futures.
- Makers pay no fees, and geopolitics markets are fee-free for everyone.
- US residents have a separate CFTC-regulated platform, Polymarket US, operating as a DCM and DCO.
Watch out: Taker fees peak at 2% to 3.5% of trade value at 50c prices, depending on category.
Open Polymarket · Full Polymarket sheet
How we ranked
Filtered to live venues that fit the job, then ranked by how much traders actually use them: total fees users paid in the last 30 days, from DefiLlama. Venues DefiLlama does not track come last, ordered by fee. Fees are shown for every pick so you can trade off popularity against cost. Fee data comes from each venue's own fee page, checked 2026-10-16. Venues that are suspended or merged are excluded.
FAQ
What is the best prediction markets?
For betting on real-world events, our top pick is Kalshi — uS residents who want CFTC-regulated, dollar-denominated event contracts on sports, politics, economics and weather. Also strong: Polymarket.
Which of these work in the US?
None of these list the US as fully available in their terms.
How did DexSheet rank these?
Filtered to live venues that fit the job, then ranked by how much traders actually use them: total fees users paid in the last 30 days, from DefiLlama. Venues DefiLlama does not track come last, ordered by fee. Fees are shown for every pick so you can trade off popularity against cost.