Sponsored by Polymarket US
Polymarket US vs ProphetX
Checked November 4, 2026. Polymarket US's own rules govern.
Side by side
| Polymarket US | ProphetX | |
|---|---|---|
| Regulation | CFTC-regulated exchange | CFTC-designated contract market since June 2026 |
| Markets | Sports, politics, crypto and more | Sports only: game outcomes and parlays |
| Fees | Taker fee 6.95% Γ price Γ (1 β price) per contract, max $1.74 per 100 | 2% of net gains per market on straight trades; parlays on their own fee schedule (read 2026-10-29) |
| Availability | Polymarket US is available in every state except Nevada. | Not verified by us |
| App | The Polymarket App (iOS and Android) and polymarket.us | ProphetX app |
Keep reading
See Polymarket US fees for the formula and our Kalshi vs ProphetX page for more on ProphetX.
Frequently Asked Questions
What is the difference between Polymarket US and ProphetX?
Polymarket US lists sports, politics, crypto and more on a CFTC-regulated exchange, with a taker fee on each fill. ProphetX is a sports-only exchange where traders take positions against each other on game outcomes and parlays rather than against a house. Polymarket US is available in every state except Nevada.
Is ProphetX or Polymarket US better for sports?
It depends on the market. ProphetX lists sports only; Polymarket US lists sports alongside politics, crypto and more.
Which is cheaper, Polymarket US or ProphetX?
They charge differently. ProphetX charges a 2% trading fee on net gains per market on straight trades, so a market that nets you nothing costs nothing in fees; parlays are charged on a separate parlay fee schedule (ProphetX Trading Fees, v1.3, Oct. 12, 2026). Polymarket US charges Taker fee 6.95% Γ price Γ (1 β price) per contract, max $1.74 per 100.
Is ProphetX available in my state?
ProphetX confirms eligibility from your location at sign-up. We have not verified its state list yet, and third-party lists disagree, so this page does not print one.
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.