Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Total Sets: O/U 2.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 2 Winner | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Match O/U 21.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Match O/U 22.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Match O/U 23.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 2 O/U 8.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 2 O/U 9.5 | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery | 100% |
| Completed Match | 100% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set Handicap +/-1.5 | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 1 Winner | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 2 O/U 10.5 | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 1 O/U 8.5 | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 1 O/U 9.5 | 0% |
| Wimbledon WTA: Jasmine Paolini vs Robin Montgomery Set 1 O/U 10.5 | 0% |
Market context
Jasmine Paolini and Robin Montgomery are set to face each other in the first round of the 2026 Wimbledon WTA, a match originally scheduled for 6:00 AM ET on 29 June but now live on Court 12 at 10:00 UTC. The prediction market currently implies a 100% probability that Paolini will advance, yet this stands in stark divergence from sportsbook lines and analyst consensus, which favour Montgomery. Initial odds list Montgomery at 1.85 against Paolini’s 1.95, with Tennis Tonic explicitly picking the American to win in three sets [1].
Historical precedents on grass this season frame this probability as highly suspect: Paolini has not won a single match on grass in 2026, whereas Montgomery boasts an unblemished 8-0 record on this surface [2]. Montgomery recently captured her maiden WTA title in s’Hertogenbosch, adding momentum to her grass-court dominance [6]. This contrast suggests the 100% market implied probability may reflect a liquidity anomaly rather than genuine form, echoing past cases where prediction markets lagged behind on-court performance metrics.
Traders should monitor live score updates and any post-match announcements regarding Paolini’s physical condition, as her grass-court struggles remain a critical dependency [4]. Montgomery’s recent title win and superior surface record are the primary catalysts that could correct the market’s mispricing. With the settlement window ending 6 July 2026, the divergence between the 87¢ Paolini price on Robinhood and the sportsbook favouring Montgomery [3] presents a clear arbitrage opportunity for those tracking on-court data over market sentiment.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets UK, which mirrors the Polymarket order book directly.
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
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets 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 Wimbledon WTA: Jasmine Paolini vs Robin Montgomery on Best Prediction Markets UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →