Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Sport Prediction.
Active sub-markets
| Centurion: Giles Hussey vs Edward Winter | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
| Centurion: Giles Hussey vs Edward Winter Match O/U 21.5 | 0% YES | 100% NO |
| Centurion: Giles Hussey vs Edward Winter Total Sets: O/U 2.5 | 0% YES | 100% NO |
| Centurion: Giles Hussey vs Edward Winter Set 1 Winner | 100% YES | 0% NO |
| Centurion: Giles Hussey vs Edward Winter Set 1 O/U 8.5 | 100% YES | 0% NO |
Market context
Giles Hussey and Edward Winter are scheduled to meet in the Centurion tournament on 31 May 2026, with the match originally set for 4:00 AM ET. The current market probability of 100% for Hussey reflects either incomplete information on Winter's recent form or a significant disparity in seeding and ranking between the two players at the time of listing. Given the settlement window extends to 7 June, the market allows for a week's grace on scheduling disruptions before defaulting to a 50-50 split, a standard buffer for lower-tier professional tennis where fixture congestion and player withdrawals occur with regularity.
Historical precedent suggests that early-round matches at secondary tournaments rarely see such extreme probability skew unless one player carries a substantial ranking advantage or the other has recently withdrawn from competition. The Centurion circuit typically features players ranked outside the top 100, where form variance is pronounced and injury-related withdrawals common. A 100% reading warrants scrutiny: either Winter has announced a withdrawal, carries a significant injury concern, or the market reflects stale information from an earlier line adjustment.
Traders should monitor official Centurion draw confirmations and both players' social media for withdrawal announcements in the fortnight before the match. Winter's recent tournament appearances and any coaching or fitness updates will clarify whether the probability reflects genuine competitive imbalance or market mispricing. The 4:00 AM ET start time—unusual for professional tennis—may also signal a qualifying round or secondary court assignment, which could affect player availability or motivation.
Methodology
We track Centurion: Giles Hussey vs Edward Winter on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- On Sport Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 it cost to trade on Sport Prediction?
- Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in minutes.
Trade Centurion: Giles Hussey vs Edward Winter on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
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