Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Hagen: Jerome Kym vs Max Houkes | 100% |
| Completed Match | 100% |
| Hagen: Jerome Kym vs Max Houkes Set 1 Winner | 100% |
| Hagen: Jerome Kym vs Max Houkes Set 2 Winner | 100% |
| Hagen: Jerome Kym vs Max Houkes Set 1 O/U 8.5 | 100% |
| Hagen: Jerome Kym vs Max Houkes Set Handicap +/-1.5 | 100% |
| Hagen: Jerome Kym vs Max Houkes Match O/U 21.5 | 100% |
| Hagen: Jerome Kym vs Max Houkes Set 2 O/U 8.5 | 100% |
| Hagen: Jerome Kym vs Max Houkes Set 2 O/U 9.5 | 100% |
| Hagen: Jerome Kym vs Max Houkes Set 2 O/U 10.5 | 100% |
| Hagen: Jerome Kym vs Max Houkes Total Sets: O/U 2.5 | 0% |
| Hagen: Jerome Kym vs Max Houkes Set 1 O/U 9.5 | 0% |
| Hagen: Jerome Kym vs Max Houkes Set Handicap +/-1.5 | 0% |
| Hagen: Jerome Kym vs Max Houkes Match O/U 22.5 | 0% |
| Hagen: Jerome Kym vs Max Houkes Set 1 O/U 10.5 | 0% |
| Hagen: Jerome Kym vs Max Houkes Match O/U 23.5 | 0% |
Market context
Jerome Kym has already advanced over Max Houkes in Hagen, with live-score services marking the match as finished 2-0 for Kym and the market therefore pointing to a **Jerome Kym** resolution rather than a fallback tie outcome.[16][2] Pre-match, the price had also leaned Kym’s way: Tennis.com showed a 59% projected win chance for Kym, while several betting and preview pages listed him as the favourite on moneyline terms, consistent with the current crowd-implied 100% YES being a post-result reflection rather than a genuinely contested live probability.[1][12][15]
For programmatic handling, the useful comparison set is a standard Challenger clay match where the favourite has a modest ranking edge and a positive head-to-head, because Kym entered around ATP 194-205 versus Houkes at roughly ATP 241-242, and Kym had won their previous meeting in Tulln in 2024.[2][11][14] That profile typically supports a high pre-match conditional probability in bots or copy-trading rules, but it is still weaker than a hard certainty; the market only becomes effectively locked once the fixture is recorded as completed, or once settlement logic for cancellation, retirement, or a seven-day delay is triggered.[1][3][10]
The main catalysts to watch are the official draw and score-feed status, since the event listings were not fully consistent on surface and timing, with sources variously showing clay, hard, and slightly different start times for the same match.[2][3][4][6] A trader automating this market would normally key off match-start confirmation, completion status, and any retirement/default flags, then suppress action if the fixture is postponed beyond the seven-day window from the scheduled date, because that is the route to the market’s 50-50 backstop rather than a player win.[2][3][16]
Methodology
We track Hagen: Jerome Kym vs Max Houkes across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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