Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative) Pick polygram.ink (preferred broker) |
81% | 19% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
81% | 19% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 1 O/U 8.5 | 81% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Match O/U 21.5 | 65% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 2 O/U 9.5 | 63% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 1 O/U 9.5 | 59% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 1 Winner | 56% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 2 Winner | 56% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Match O/U 22.5 | 56% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo | 54% |
| Completed Match | 50% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Match O/U 23.5 | 50% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 2 O/U 8.5 | 45% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Total Sets: O/U 2.5 | 44% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 1 O/U 10.5 | 36% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set Handicap +/-1.5 | 35% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 2 O/U 10.5 | 33% |
Market context
Traders on decentralised prediction markets give 81% probability to swiss open: raphael collignon vs juan manuel cerundolo. This market refers to the tennis match between Raphael Collignon and Juan Manuel Cerundolo in the Swiss Open, originally scheduled for July 18, 2026 at 4:00AM ET. This market will resolve to 'Raphael…
Methodology
This page compares Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Alternative, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
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.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- 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.
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