ProphetX vs Polymarket
Published 2026-08-07 · Last reviewed 2026-09-18
TL;DR
- ProphetX: CFTC-regulated sports prediction market — peer-to-peer, no house margin.
- Polymarket: Zero trading fees and the widest college market menu, settled in USDC.
- For college markets specifically, ProphetX is the one most readers should open first — sports-only traders who want peer-to-peer pricing with no built-in house margin.
| ProphetXTrade $10, Get $20! | PolymarketDeposit $10, Get a $50 Trading Bonus! | |
|---|---|---|
| Regulation | CFTC-approved designated contract market (DCM) and clearing organization (DCO), June 2026 | US entity operating under a CFTC-registered DCM structure |
| Trading fees | 2% commission on net winnings; nothing on losing or unmatched trades | 0% maker and taker; you pay Polygon gas plus 1–4% on-ramp |
| College markets | College football and college basketball game contracts and player markets — sports only | Deepest board — national champion, conference winners, win totals, Heisman, CFB playoff seeding |
| Apps | iOS, Android (mobile-first) | Web, iOS (US app is iOS-only) |
| Deposit methods | Online banking (Aeropay), wire, crypto (Zero Hash) | Card/bank to USDC, crypto transfer |
| Minimum deposit | $10 | $1 (practically ~$20 after on-ramp fees) |
| Withdrawals | Instant to a few days via Aeropay; wires up to 72 hours | Minutes on-chain; 1–3% off-ramp to fiat |
| US availability | 49 states + D.C. — Nevada excluded | iOS app available in most US states and DC |
| Best for | Sports-only traders who want peer-to-peer pricing with no built-in house margin | Anyone who wants the most college markets and pays no per-trade commission |
| Watch out for | No politics, admissions or culture markets; smaller markets can be slow to match | No Android app in the US yet; on-ramp fees hit small deposits hardest |
| Sign up | Open ProphetX | Open Polymarket |
Fees: what a round trip actually costs
ProphetX charges 2% commission on net winnings; nothing on losing or unmatched trades. Polymarket charges 0% maker and taker; you pay polygon gas plus 1–4% on-ramp. Headline rates mislead on small balances: on a $20 stake, a deposit or withdrawal fee usually outweighs the per-trade commission, so count the whole round trip before deciding.
College market depth
ProphetX lists college football and college basketball game contracts and player markets — sports only. Polymarket lists deepest board — national champion, conference winners, win totals, heisman, cfb playoff seeding. If you are here for college football or March Madness, depth matters more than a few basis points of fee difference — a market that does not exist cannot be traded at any price.
Access and apps
ProphetX runs on ios, android (mobile-first) and is 49 states + d.c. — nevada excluded. Polymarket runs on web, ios (us app is ios-only) and is ios app available in most us states and dc.
The verdict
Pick ProphetX if: sports-only traders who want peer-to-peer pricing with no built-in house margin. Pick Polymarket if: anyone who wants the most college markets and pays no per-trade commission. The honest answer for most students is to open the one that lists the markets you actually want and keep the other as a price check.
Frequently asked questions
Is ProphetX or Polymarket cheaper?
ProphetX: 2% commission on net winnings; nothing on losing or unmatched trades. Polymarket: 0% maker and taker; you pay Polygon gas plus 1–4% on-ramp. Compare on total round-trip cost — deposit fee, trading fee, and withdrawal fee together — not the headline rate.
Which has more college markets, ProphetX or Polymarket?
ProphetX lists college football and college basketball game contracts and player markets — sports only. Polymarket lists deepest board — national champion, conference winners, win totals, heisman, cfb playoff seeding.
Can I use both ProphetX and Polymarket?
Yes. Many traders keep accounts on both and route each trade to whichever venue prices that market better. Nothing stops you from claiming both sign-up offers if you qualify in your state.
Is ProphetX legal in my state?
49 states + D.C. — Nevada excluded. Polymarket: ios app available in most us states and dc. Check the state pages on this site for the current list before depositing.
Sources & further reading
- CFTC — Designated Contract Markets (DCMs)U.S. Commodity Futures Trading Commission
- Kalshi Rulebook and exchange rulesKalshi (KalshiEX LLC)
- Polymarket Terms of Use — eligibility and restrictionsPolymarket
Related
Independent coverage. Some outbound links are affiliate links — see footer disclosure.