Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) 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 |
|---|---|
| Completed Match | 100% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set 2 O/U 8.5 | 100% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set 2 O/U 9.5 | 100% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set Handicap +/-1.5 | 100% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set 2 O/U 10.5 | 100% |
| Rome: Aurora Zantedeschi vs Martina Trevisan | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set 1 O/U 8.5 | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set 2 Winner | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Match O/U 21.5 | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set 1 Winner | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Total Sets: O/U 2.5 | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set Handicap +/-1.5 | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set 1 O/U 9.5 | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Match O/U 22.5 | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Set 1 O/U 10.5 | 0% |
| Rome: Aurora Zantedeschi vs Martina Trevisan Match O/U 23.5 | 0% |
Market context
The underlying event is the Round 2 WTA 125 match in Rome between Aurora Zantedeschi and Martina Trevisan, scheduled for 16 July 2026. Live results indicate Trevisan secured a win in this fixture on the day, contradicting the market’s current 0% implied probability for Zantedeschi advancing [1]. In tennis prediction markets, a zero-per-cent price often signals a resolved outcome or a severe data lag rather than a genuine pre-match assessment, as historical precedents show that matches with confirmed winners on official feeds resolve immediately against stale crowd pricing.
Traders should monitor the official WTA Tour match report and the tournament’s Round 2 results page for confirmation of the winner and any potential disqualifications or cancellations that might trigger the 50-50 settlement clause [2][5]. Key catalysts include the finalisation of the draw sheet, which currently projects Trevisan as the 56% favourite, and any late injury announcements affecting either player’s availability for subsequent rounds [2]. The primary resolution source remains the WTA’s official data, meaning any discrepancy between live score feeds and the market’s pricing will likely correct once the official result is published [5].
Methodology
Sports-specific comparison page for Rome: Aurora Zantedeschi vs Martina Trevisan. 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.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
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