Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
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 Best Prediction Markets.
Active sub-markets
| Lexus Eastbourne Open: Alicia Dudeney vs Jessica Bouzas Maneiro Set 1 Winner | 0% Dudeney | 100% Maneiro |
| Lexus Eastbourne Open: Alicia Dudeney vs Jessica Bouzas Maneiro | 0% Alicia Dudeney | 100% Jessica Bouzas Maneiro |
| Lexus Eastbourne Open: Alicia Dudeney vs Jessica Bouzas Maneiro Match O/U 21.5 | 0% Over | 100% Under |
| Lexus Eastbourne Open: Alicia Dudeney vs Jessica Bouzas Maneiro Match O/U 22.5 | 0% Over | 100% Under |
| Lexus Eastbourne Open: Alicia Dudeney vs Jessica Bouzas Maneiro Match O/U 23.5 | 0% Over | 100% Under |
| Lexus Eastbourne Open: Alicia Dudeney vs Jessica Bouzas Maneiro Set Handicap +/-1.5 | 100% Maneiro | 0% Dudeney |
Market context
The underlying event is the first-round WTA tennis match between Alicia Dudeney and Jessica Bouzas Maneiro at the Lexus Eastbourne Open, originally slated for 22 June 2026 but now confirmed for 23 June at 11:00 BST on Court 2. This contract resolves to the player who advances, with a 50-50 split if the match is cancelled or delayed beyond seven days without a winner.
Historical precedents in WTA grass-court qualifiers show that prediction markets assigning near-zero implied probability to a player often reflect a severe mispricing when the opponent is a wild card lacking tour-level consistency. In comparable 2024 Eastbourne matches, wild cards with stronger recent grass résumés overturned odds-implied certainties, as seen when analysts like Probahis flagged Bouzas Maneiro as the safer pick due to her experience, despite Dudeney’s home advantage [4]. Such divergence between sportsbook lines (FanDuel lists Bouzas Maneiro as the clear favourite) and the 0% prediction-market probability for Dudeney suggests a potential arbitrage opportunity if the market fails to account for the wild card’s resilience [6].
Traders should monitor the official WTA start-time confirmation and any injury updates, as delays could trigger the 50-50 settlement clause. The match is broadcast live on Sky Sports in Great Britain and Tennis Channel in Spain, with streaming available via wtatv.com [3]. Recent form data indicates Bouzas Maneiro’s projected win probability sits at 72%, a figure that starkly contrasts the prediction market’s current pricing and warrants close scrutiny of any pre-match announcements from the tournament director [10].
Methodology
We track Lexus Eastbourne Open: Alicia Dudeney vs Jessica Bouzas Maneiro 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
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
- 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 Best Prediction Markets?
- Zero. Best Prediction Markets routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets triggers a quick verification flow that finishes in minutes.
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