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 |
|---|---|
| Targu Mures: Laura Samson vs Anastasiia Sobolieva | 100% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Total Sets: O/U 2.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set 2 Winner | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set 1 O/U 8.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set 1 Winner | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set 2 O/U 8.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Match O/U 21.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set Handicap +/-1.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Match O/U 22.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set 2 O/U 9.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set Handicap +/-1.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set 1 O/U 9.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set 2 O/U 10.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Match O/U 23.5 | 50% |
| Targu Mures: Laura Samson vs Anastasiia Sobolieva Set 1 O/U 10.5 | 50% |
| Completed Match | 0% |
Market context
Laura Samson’s meeting with Anastasiia Sobolieva in Târgu Mureş is effectively priced as a foregone conclusion, but the live tennis data do not support that level of certainty. The pair are listed almost together in the rankings, with Samson at WTA 153 and Sobolieva at WTA 196, and multiple match pages place the contest on clay in Romania rather than showing any completed result[1][5]. Head-to-head databases also indicate no prior professional meeting, so there is little historical evidence to justify a true 100% reading even before considering the possibility of a walkover or scheduling change[8][11].
For comparison, this kind of market is usually most fragile when the event is still awaiting first ball, because tennis pricing can move sharply on late withdrawals, venue delays or draw reshuffles. One preview feed has already posted Sobolieva with a slight edge based on recent form, while another algorithmic page has Samson marginally favoured, which underlines how thin the edge is between the two players rather than confirming a dominant favourite[10][7]. The key catalyst to watch is whether the match actually starts on time and is played to completion, since any cancellation, postponement beyond seven days, or abandoned match could force the market to a 50-50 settlement under the stated rules.
Methodology
Sports-specific comparison page for Targu Mures: Laura Samson vs Anastasiia Sobolieva. 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.
- 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.
- 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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