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 |
|---|---|
| Newport: Arthur Gea vs Tristan Schoolkate | 100% |
| Completed Match | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Total Sets: O/U 2.5 | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Set 2 O/U 8.5 | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Set 2 Winner | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Match O/U 21.5 | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Set 1 O/U 8.5 | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Set 2 O/U 9.5 | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Match O/U 22.5 | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Set 1 O/U 9.5 | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Set 2 O/U 10.5 | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Match O/U 23.5 | 100% |
| Newport: Arthur Gea vs Tristan Schoolkate Set 1 Winner | 0% |
| Newport: Arthur Gea vs Tristan Schoolkate Set Handicap +/-1.5 | 0% |
| Newport: Arthur Gea vs Tristan Schoolkate Set Handicap +/-1.5 | 0% |
| Newport: Arthur Gea vs Tristan Schoolkate Set 1 O/U 10.5 | 0% |
Market context
The underlying event is the ATP Challenger Newport Round 2 tennis match between Arthur Gea and Tristan Schoolkate, scheduled for 11:00 AM ET on 9 July 2026 in Newport, USA. Gea, a right-handed player standing 180 cm, won the first set 4–5 in recent head-to-head action, though the match remains live as of this evening[2][3]. The market currently implies a 100% probability that Gea will advance, a stance that mirrors historical patterns where first-set winners in ATP Challenger events frequently secure the match, particularly when the opponent shows limited resilience in subsequent sets[1][8].
Traders should monitor official ATP Tour updates for any late cancellations or delays beyond the seven-day settlement window, which would trigger a 50–50 resolution[6][9]. Recent form indicates Gea’s dominance in the opening set, while Schoolkate’s career prize money of $604,035 suggests experience but not necessarily current momentum against Gea’s tighter recent results[8]. No coaching changes or key absences have been reported, but the match’s completion status is the primary dependency; if the match begins but is not completed with one player advancing, the market resolves based on who progresses[7].
Methodology
Sports-specific comparison page for Newport: Arthur Gea vs Tristan Schoolkate. 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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