Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Hagen: Tom Gentzsch vs Jerome Kym | 100% |
| Completed Match | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Set 2 Winner | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Set 1 Winner | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Set 2 O/U 8.5 | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Set 1 O/U 8.5 | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Match O/U 21.5 | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Set 2 O/U 9.5 | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Set 1 O/U 9.5 | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Match O/U 22.5 | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Set 2 O/U 10.5 | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Set Handicap +/-1.5 | 100% |
| Hagen: Tom Gentzsch vs Jerome Kym Total Sets: O/U 2.5 | 0% |
| Hagen: Tom Gentzsch vs Jerome Kym Set 1 O/U 10.5 | 0% |
| Hagen: Tom Gentzsch vs Jerome Kym Match O/U 23.5 | 0% |
| Hagen: Tom Gentzsch vs Jerome Kym Set Handicap +/-1.5 | 0% |
Market context
Tom Gentzsch’s match with Jerome Kym in Hagen is the kind of final where the market is mostly pricing completion rather than uncertainty about who turns up. The current crowd-implied 100% YES suggests traders expect the scheduled decider to be played and resolved within the normal settlement window, which is consistent with the live listings showing the final on Platzmann Centre Court in Hagen on red clay, with both players already through earlier rounds.[2][3][11]
On comparable evidence, the pairing has a short but useful head-to-head: Gentzsch has the recent edge, including a straight-sets win over Kym at Roland Garros qualifying in May 2026, while broader career records on tennis-stat sites show Gentzsch holding the better recent win rate and a marginal ranking advantage around the mid-180s to low-200s range.[1][4][15] For a programme-driven trader, that means the cleanest approach is to treat this as a binary event with relatively low state complexity: the main branch is whether the match starts and finishes, while the fallback branch is whether a retirement or postponement pushes the market into the market’s tie logic.
The practical catalysts are procedural rather than sensational: confirmed order-of-play changes, court assignment, weather disruption on outdoor clay, and any last-minute retirement or walkover signals from official draw updates. Live match pages already show the fixture as underway or completed across score services, so bot users should watch for the first authoritative status change rather than rely on headline previews, which can lag real-time scheduling.[3][5][11]
Methodology
This page reviews Hagen: Tom Gentzsch vs Jerome Kym across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Review UK, which mirrors the Polymarket order book at 0% fees.
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.
UK Frequently Asked Questions
- 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.
- 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.
- 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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