Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Set 2 Winner | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Total Sets: O/U 2.5 | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Set 1 O/U 8.5 | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Match O/U 21.5 | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Set 2 O/U 8.5 | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Match O/U 22.5 | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Set 2 O/U 9.5 | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Match O/U 23.5 | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Set 2 O/U 10.5 | 100% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi | 0% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Set 1 Winner | 0% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Set Handicap +/-1.5 | 0% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Set 1 O/U 9.5 | 0% |
| Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi Set 1 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of croatia open: federico agustin gomez vs matteo arnaldi. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Federico Agustin Gomez and Matteo Arnaldi in the Croatia Open, originally scheduled for July 15, 2026 at 10:00AM ET. This market wil…
Methodology
We read Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative UK offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
Trade Croatia Open: Federico Agustin Gomez vs Matteo Arnaldi on Kalshi Alternative UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →