Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Newport: August Holmgren vs Tristan Schoolkate Set 2 O/U 8.5 | 100% |
| Newport: August Holmgren vs Tristan Schoolkate Match O/U 21.5 | 100% |
| Newport: August Holmgren vs Tristan Schoolkate Total Sets: O/U 2.5 | 100% |
| Newport: August Holmgren vs Tristan Schoolkate Set 2 Winner | 100% |
| Newport: August Holmgren vs Tristan Schoolkate Set 1 O/U 8.5 | 100% |
| Newport: August Holmgren vs Tristan Schoolkate Set 2 O/U 9.5 | 100% |
| Newport: August Holmgren vs Tristan Schoolkate Match O/U 22.5 | 100% |
| Newport: August Holmgren vs Tristan Schoolkate Match O/U 23.5 | 100% |
| Newport: August Holmgren vs Tristan Schoolkate Set 2 O/U 10.5 | 100% |
| Newport: August Holmgren vs Tristan Schoolkate | 0% |
| Newport: August Holmgren vs Tristan Schoolkate Set 1 Winner | 0% |
| Newport: August Holmgren vs Tristan Schoolkate Set Handicap +/-1.5 | 0% |
| Newport: August Holmgren vs Tristan Schoolkate Set 1 O/U 9.5 | 0% |
| Newport: August Holmgren vs Tristan Schoolkate Set Handicap +/-1.5 | 0% |
| Newport: August Holmgren vs Tristan Schoolkate Set 1 O/U 10.5 | 0% |
Market context
August Holmgren and Tristan Schoolkate are set to face off in the ATP Challenger Newport singles match, originally scheduled for 14:00 UTC on 6 July 2026, with the market currently pricing Holmgren’s advancement at a mere 2% probability. On Polymarket, this contract trades as a conditional token settled in USDC on the Polygon network, where the crowd has overwhelmingly backed Schoolkate, reflecting a stark divergence from traditional bookmaker odds that still list Holmgren as a plausible contender with set-betting prices around +235 for a 2-0 win[1][2].
Historically, such low implied probabilities in ATP Challenger events often signal either a severe injury concern or a mismatch in recent form, yet comparable cases from Newport in previous years show that 2% markets can occasionally flip if a player returns from a short layoff or if the opponent suffers a late withdrawal, though these reversals are rare without clear on-court catalysts[3][5]. The on-chain mechanics mean that if the match is cancelled or delayed beyond seven days without a winner, the token resolves to a 50-50 split, adding a layer of risk for traders betting on the underdog.
Traders should monitor the official ATP Challenger Newport schedule for any updates on player availability, as Holmgren’s advancement hinges on his physical readiness and Schoolkate’s consistency in early rounds[4][6]. A recent Tennis.com report confirms the match is still listed for Round 1, but any announcement of a delay or withdrawal would instantly shift the conditional token’s value, making real-time schedule checks essential for navigating this volatile market[5]. The settlement window closes on 13 July 2026, so all catalysts must emerge within this tight timeframe to alter the current 2% pricing.
Methodology
We track Newport: August Holmgren 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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 PolyGram. 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'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.
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