Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | 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
Arthur Gea and Tristan Schoolkate are set to face off in the second round of the ATP Challenger Newport on Court 3, with the match scheduled for 15:00 UTC today. The prediction market currently prices this contract at 100% YES for Gea advancing, implying absolute certainty in his victory despite the absence of a completed head-to-head record between the two players on the ATP Tour [5]. This level of conviction mirrors historical cases where conditional tokens on Polygon, settled in USDC, locked in at maximum probability shortly before a match began, often due to one player’s dominant recent form or a confirmed withdrawal of the opponent, though no such withdrawal is officially recorded here yet [7].
Traders should monitor the live score feed and any official ATP Tour announcements regarding match delays or cancellations, as the settlement window remains open until 15:00 UTC on 16 July 2026 [4]. The primary catalyst is the on-court performance itself; if Gea fails to complete the match or if the contest is delayed beyond seven days without a winner, the market resolves to a 50-50 split, a condition embedded in the conditional token mechanics [1]. Recent tournament data from Tennis.com confirms this is Round 2 of the Newport Challenger, meaning both players are still active and the outcome hinges entirely on today’s play rather than external dependencies [7].
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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.
Trade Newport: Arthur Gea vs Tristan Schoolkate on Kalshi UK
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