Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Bonn: Jan Choinski vs Francesco Passaro | 100% |
| Completed Match | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 1 Winner | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 2 Winner | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 1 O/U 8.5 | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set Handicap +/-1.5 | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 2 O/U 8.5 | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Set 2 O/U 9.5 | 100% |
| Bonn: Jan Choinski vs Francesco Passaro Total Sets: O/U 2.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Match O/U 21.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Set 1 O/U 9.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Set Handicap +/-1.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Match O/U 22.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Set 1 O/U 10.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Match O/U 23.5 | 0% |
| Bonn: Jan Choinski vs Francesco Passaro Set 2 O/U 10.5 | 0% |
Market context
Polymarket's conditional token architecture currently prices Jan Choinski's advancement against Francesco Passaro at 100% on USDC-Polygon, reflecting either extremely tight odds-making or minimal liquidity depth in this particular ATP Challenger pairing scheduled for Bonn on 27 July 2026. The settlement window extends to 3 August, allowing a seven-day buffer for completion or rescheduling before the 50-50 tie resolution triggers.
Historical precedent suggests that ATP Challenger matches at established venues like Bonn rarely cancel outright, though weather delays and player withdrawals do occur. The 100% probability reading likely reflects the market's confidence in match completion rather than a genuine assessment of Choinski's superiority—Passaro, an Italian qualifier, has shown competitive form on clay surfaces, whilst Choinski's recent trajectory and seeding position would determine realistic win probabilities. Comparable Challenger-level markets typically see probability distributions reflecting 55-65% for seeded players against unseeded opponents, suggesting this contract may be mispriced or thinly traded.
Traders should monitor ATP official announcements regarding draw confirmations and any weather forecasts for Bonn in late July. Player injury reports and withdrawal patterns in the week preceding the match represent the primary catalyst for resolution uncertainty. The conditional token mechanics mean any match abandonment after play begins but without completion would trigger the advancement clause rather than the 50-50 tie, creating a distinct settlement pathway from outright cancellation.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Bonn: Jan Choinski vs Francesco Passaro on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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