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 |
|---|---|
| Completed Match | 100% |
| Hagen: Lorenzo Giustino vs Jerome Kym Match O/U 21.5 | 100% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set 1 O/U 8.5 | 100% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set 2 O/U 8.5 | 100% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set 2 O/U 9.5 | 100% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set Handicap +/-1.5 | 100% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set 2 O/U 10.5 | 100% |
| Hagen: Lorenzo Giustino vs Jerome Kym | 0% |
| Hagen: Lorenzo Giustino vs Jerome Kym Total Sets: O/U 2.5 | 0% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set 1 Winner | 0% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set 2 Winner | 0% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set Handicap +/-1.5 | 0% |
| Hagen: Lorenzo Giustino vs Jerome Kym Match O/U 22.5 | 0% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set 1 O/U 9.5 | 0% |
| Hagen: Lorenzo Giustino vs Jerome Kym Match O/U 23.5 | 0% |
| Hagen: Lorenzo Giustino vs Jerome Kym Set 1 O/U 10.5 | 0% |
Market context
Lorenzo Giustino’s meeting with Jerome Kym in Hagen sits in a compact Challenger draw where the best read is recent hard data rather than reputation. The pair have no recorded head-to-head at professional level, and the live pre-match market was effectively pegged at a coin-flip before drifting to an extreme 0% yes price, which usually signals a stale or thinly traded book rather than a meaningful form gap.[2][3][12]
The form lines are split but slightly kinder to Kym on recent results: 365Scores lists him as winning three of his last four, while Giustino arrived off a three-set win over Matej Dodig and had also been through a tight opener against Vit Kopriva earlier in the week on the Hagen clay.[1][6] TennisTemple’s recent-results logs show both men have been competitive through July and early August, which matters because Challenger clay matches often turn on fitness and back-to-back workload rather than ranking alone.[4]
The main catalysts are whether the match stays on the published Hagen schedule and whether either player has to manage a prior day’s load, since the draw moved through round-of-16 play on 6 August and multiple matches were still being slotted around the 7 August card.[1][8] If there is any late court-order change, retirement, or withdrawal in the section, the market’s 50-50 fallback for a non-completed or seriously delayed match becomes more relevant than the pre-event price itself.
Methodology
Sports-specific comparison page for Hagen: Lorenzo Giustino vs Jerome Kym. 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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