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 |
|---|---|
| Completed Match | 100% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Set 1 Winner | 100% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Set 1 O/U 8.5 | 100% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Total Sets: O/U 2.5 | 100% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Match O/U 21.5 | 100% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Set 1 O/U 9.5 | 100% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Match O/U 22.5 | 100% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Match O/U 23.5 | 100% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere | 0% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Set 2 O/U 8.5 | 0% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Set 2 Winner | 0% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Set Handicap +/-1.5 | 0% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Set 1 O/U 10.5 | 0% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Set 2 O/U 9.5 | 0% |
| ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere Set 2 O/U 10.5 | 0% |
Market context
Alvaro Peiro Serrano faces Matthieu Chambonniere in the opening round of the ITF Men’s Gandia on clay, with the market currently pricing Serrano as a distant 7% favourite to advance. This low probability reflects Serrano’s ranking near 1680, despite his stronger recent form on clay in 2026, including straight-set victories in prior ITF events [1]. In comparable ITF M15 matches where a sub-1700-ranked player faces an opponent with a career-high above 390, the lower-ranked entrant typically wins only 5–10% of the time unless the higher-ranked player shows clear signs of fatigue or injury, a pattern that aligns closely with the current 7% implied probability.
Traders should monitor Chambonniere’s recent schedule and any pre-match fitness announcements, as the Thai-born player’s inconsistency in 2026 ITF events—often exiting early despite greater experience—could shift the odds if he appears unprepared [1]. Key catalysts include the official start time confirmation for the Gandia match, any late coaching changes, and whether Serrano’s recent clay-court momentum translates under tournament pressure. The settlement window closes on 22 July 2026, so any delay beyond seven days without a winner will trigger a 50-50 resolution, making timing and match completion critical dependencies for position management.
Sources: 1
Methodology
Sports-specific comparison page for ITF Gandia: Alvaro Peiro Serrano vs Matthieu Chambonniere. 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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