Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) 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 |
|---|---|
| Roehampton: Lui Maxted vs Gabi Boitan | 100% |
| Completed Match | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Set 2 Winner | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Set 1 O/U 8.5 | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Set Handicap +/-1.5 | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Match O/U 21.5 | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Set 2 O/U 8.5 | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Set 1 Winner | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Set 2 O/U 9.5 | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Set 1 O/U 9.5 | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Set 1 O/U 10.5 | 100% |
| Roehampton: Lui Maxted vs Gabi Boitan Total Sets: O/U 2.5 | 0% |
| Roehampton: Lui Maxted vs Gabi Boitan Match O/U 22.5 | 0% |
| Roehampton: Lui Maxted vs Gabi Boitan Set Handicap +/-1.5 | 0% |
| Roehampton: Lui Maxted vs Gabi Boitan Match O/U 23.5 | 0% |
| Roehampton: Lui Maxted vs Gabi Boitan Set 2 O/U 10.5 | 0% |
Market context
Lui Maxted and Gabi Boitan are scheduled to meet in the early rounds of the Roehampton tournament on 20 August 2026. The 100% implied probability reflects either strong consensus on Maxted's superiority or sparse liquidity in the market; given the settlement window extends to 27 August, traders have a week-long buffer to reassess if fresh information emerges about either player's form or fitness.
Maxted, a British player competing on home soil, typically benefits from court familiarity and crowd support at Roehampton, though recent grass-court results will be the primary determinant. Boitan's trajectory and recent match record against comparable opponents should anchor expectations; if either player has suffered injury or undergone recent coaching changes, those shifts often precede noticeable performance swings. The early morning start time (6:00 AM ET) may also influence match quality and player readiness, particularly if either competitor has travelled from overseas tournaments immediately beforehand.
Traders should monitor official tournament draws and any late withdrawals announced before 20 August. Injury reports or last-minute schedule adjustments from the ATP or relevant governing bodies could trigger repricing. If the match is delayed beyond 7 August without completion, the market resolves to 50-50 under the stated rules, so weather disruptions or scheduling conflicts in the preceding week warrant close attention. Confirmation of both players' participation and their seeding status will clarify whether the current odds reflect genuine form assessment or simply default positioning ahead of draw confirmation.
Methodology
Sports-specific comparison page for Roehampton: Lui Maxted vs Gabi Boitan. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
Trade Roehampton: Lui Maxted vs Gabi Boitan on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →