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 |
|---|---|
| Hagen: Tom Gentzsch vs Henri Squire | 100% |
| Completed Match | 100% |
| Hagen: Tom Gentzsch vs Henri Squire Set 2 Winner | 100% |
| Hagen: Tom Gentzsch vs Henri Squire Set 1 Winner | 100% |
| Hagen: Tom Gentzsch vs Henri Squire Set 1 O/U 8.5 | 100% |
| Hagen: Tom Gentzsch vs Henri Squire Set Handicap +/-1.5 | 100% |
| Hagen: Tom Gentzsch vs Henri Squire Set 2 O/U 8.5 | 100% |
| Hagen: Tom Gentzsch vs Henri Squire Match O/U 21.5 | 100% |
| Hagen: Tom Gentzsch vs Henri Squire Set 2 O/U 9.5 | 100% |
| Hagen: Tom Gentzsch vs Henri Squire Set 2 O/U 10.5 | 100% |
| Hagen: Tom Gentzsch vs Henri Squire Total Sets: O/U 2.5 | 0% |
| Hagen: Tom Gentzsch vs Henri Squire Set 1 O/U 9.5 | 0% |
| Hagen: Tom Gentzsch vs Henri Squire Match O/U 22.5 | 0% |
| Hagen: Tom Gentzsch vs Henri Squire Set Handicap +/-1.5 | 0% |
| Hagen: Tom Gentzsch vs Henri Squire Set 1 O/U 10.5 | 0% |
| Hagen: Tom Gentzsch vs Henri Squire Match O/U 23.5 | 0% |
Market context
Tom Gentzsch and Henri Squire are scheduled to meet in the Hagen Challenger, and the market is pricing Gentzsch as the likelier winner rather than treating this as a true coin flip. Pre-match bookmakers have Gentzsch around 1.57–1.65 and Squire around 2.10–2.25, which implies a moderate edge for Gentzsch rather than a runaway favourite.[1][2][4]
That framing matters because similar pre-match models have also leaned towards Gentzsch, with independent prediction sites putting him roughly in the 56%–63% range and market sentiment clustering in the same zone.[3][6][7][17] For a tennis quarter-final of this type, a 100% YES crowd price looks more like an aggressive consensus on the named player advancing than a signal that the match itself is risk-free, particularly given that lower-level Challenger events can be sensitive to serve variance and short swings in form.[1][2][4]
The main things to watch are final line-ups, any late withdrawal or retirement news, and whether the match stays on the posted schedule, because the market only resolves decisively if one player advances and can fall back to 50-50 if the match is not played or is delayed beyond the settlement rules.[1] No material coaching change or injury bulletin appears in the available pre-match pricing feeds, so traders are mainly reading the odds, the draw context, and any same-day scheduling movement rather than a fresh personnel story.[1][8][10]
Methodology
Sports-specific comparison page for Hagen: Tom Gentzsch vs Henri Squire. 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
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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%.
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