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 |
|---|---|
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta | 100% |
| Completed Match | 100% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Total Sets: O/U 2.5 | 100% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Set 1 Winner | 100% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Set 1 O/U 8.5 | 100% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Set 2 O/U 8.5 | 100% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Match O/U 21.5 | 100% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Set 2 O/U 9.5 | 100% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Match O/U 22.5 | 100% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Match O/U 23.5 | 100% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Set Handicap +/-1.5 | 0% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Set 2 Winner | 0% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Set 1 O/U 9.5 | 0% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Set 1 O/U 10.5 | 0% |
| Estoril Open: Luca Van Assche vs Pablo Carreno Busta Set 2 O/U 10.5 | 0% |
Market context
Luca Van Assche’s meeting with Pablo Carreño Busta at Estoril was priced as a competitive clay-court match rather than a near-certainty, despite the market sitting at 100% YES. Independent previews leaned towards Carreño Busta, but usually by moderate margins rather than anything resembling a lock: Tennis.com’s projected winner model had Carreño Busta at 65%[1], while other pre-match estimates put him closer to the high-60s or low-70s, with some expectation of a three-setter[2][4][6][9]. That matters because tennis markets often look overconfident before a result is fully confirmed; comparable cases on clay can stay tight if the favourite’s edge is built more on ranking, experience and baseline consistency than on recent dominant form[6][7].
For traders, the key catalysts are straightforward: the official ATP result, any late change to the scheduled start, and whether the match is actually completed within the settlement window. Polymarket’s own rules say an unfinished match can still resolve 50-50 if it is not completed, while cancellation or a delay beyond seven days also pushes settlement to 50-50[5]. The most relevant live dependency is the tournament’s official match status, since a completed score would override pre-match opinion, and the current crowd-implied 100% YES may simply reflect that the event is expected to go ahead rather than certainty about which player advances[1][5].
Methodology
Sports-specific comparison page for Estoril Open: Luca Van Assche vs Pablo Carreno Busta. 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
- 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.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- 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.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- 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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