Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win 2026) 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% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set 1 Winner | 100% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Total Sets: O/U 2.5 | 100% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Match O/U 21.5 | 100% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Match O/U 22.5 | 100% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Match O/U 23.5 | 100% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate | 0% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set 2 Winner | 0% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set 2 O/U 8.5 | 0% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set 1 O/U 8.5 | 0% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set Handicap +/-1.5 | 0% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set Handicap +/-1.5 | 0% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set 2 O/U 9.5 | 0% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set 1 O/U 9.5 | 0% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set 2 O/U 10.5 | 0% |
| Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate Set 1 O/U 10.5 | 0% |
Market context
A lower-tier professional tennis match between Quinn Vandecasteele and Tristan Schoolkate is scheduled for 13 August 2026 in Brownsburg, with the market currently pricing Vandecasteele at zero probability. The settlement window extends to 20 August, allowing a week's buffer for rescheduling before the market resolves to a 50-50 split if no winner is determined.
Both players operate in the satellite and Challenger circuit ecosystem where match cancellations, weather delays, and scheduling conflicts occur with measurable frequency. The zero probability assigned to Vandecasteele suggests either near-complete confidence in Schoolkate's superiority or a technical artefact of low liquidity and sparse trading activity. Historical precedent in lower-ranked professional tennis shows that consensus probabilities at extreme ends—particularly 0% or 100%—often reflect information scarcity rather than genuine certainty. Comparable matches at this tier typically see meaningful probability ranges even when one player holds a clear ranking or form advantage.
Traders should monitor tournament draw confirmations and any player withdrawal announcements in the days preceding 13 August. Brownsburg's venue scheduling and weather patterns for mid-August merit attention, particularly given the seven-day grace period before forced resolution. Recent ATP and WTA Challenger data suggests that matches at this level proceed as scheduled roughly 85% of the time, though surface conditions and player availability remain volatile. Any confirmation of Vandecasteele's participation or recent form updates could shift the current consensus substantially from its present extreme.
Methodology
We track Brownsburg: Quinn Vandecasteele vs Tristan Schoolkate across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Who Will Win 2026. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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