Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 2 O/U 8.5 | 100% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 2 O/U 9.5 | 100% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 2 O/U 10.5 | 100% |
| Completed Match | 100% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 1 O/U 8.5 | 100% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 4 Winner | 50% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 4 O/U 8.5 | 50% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 4 O/U 9.5 | 50% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 4 O/U 10.5 | 50% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set Handicap +/-2.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Match O/U 40.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Match O/U 36.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 1 Winner | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Total Sets: O/U 3.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Total Sets: O/U 4.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 2 Winner | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 3 Winner | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 3 O/U 8.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 3 O/U 9.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 3 O/U 10.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 1 O/U 9.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set 1 O/U 10.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Set Handicap +/-1.5 | 0% |
| Wimbledon ATP: Vit Kopriva vs Jan Choinski Match O/U 38.5 | 0% |
Market context
Vit Kopriva faces Jan Choinski in the opening round of Wimbledon 2026, a match originally set for 6:00 AM ET on 29 June but now scheduled for 30 June at 10:25 AM ET. Despite the prediction market assigning only a 1% chance to Kopriva advancing, statistical models from Dimers and Quiparier project Kopriva as the clear favourite, estimating his win probability between 58% and 61%[1][3]. This stark divergence mirrors historical cases where crowd sentiment on niche ATP matches lags significantly behind algorithmic forecasts, particularly when one player holds a superior ranking or recent form that the public overlooks.
The catalyst for traders to monitor is the official confirmation of the match start time and any potential injury updates, as Kopriva’s ranking of 68 versus Choinski’s 106 suggests a structural advantage that the market may be mispricing[7]. Choinski does hold a 2-1 head-to-head lead, but their last encounter occurred at a Challenger level, not on grass, which limits the relevance of that record for this specific contest[2]. Traders should watch for announcements from the ATP regarding surface conditions or player fitness, as any delay beyond seven days would trigger a 50-50 settlement, a risk that could inflate the implied probability of the underdog if uncertainty rises.
Methodology
Sports-specific comparison page for Wimbledon ATP: Vit Kopriva vs Jan Choinski. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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