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 |
|---|---|
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill | 100% |
| Completed Match | 100% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Set 2 Winner | 100% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Set 1 Winner | 100% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Set 1 O/U 8.5 | 100% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Game Spread +/-0.5 | 100% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Set 1 O/U 9.5 | 100% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Set 1 O/U 10.5 | 100% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Total Sets: O/U 2.5 | 0% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Set 2 O/U 8.5 | 0% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Match O/U 21.5 | 0% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Set Handicap +/-1.5 | 0% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Set 2 O/U 9.5 | 0% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Match O/U 22.5 | 0% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Set 2 O/U 10.5 | 0% |
| US Open, Qualification ATP: Francesco Passaro vs Felix Gill Match O/U 23.5 | 0% |
Market context
Francesco Passaro’s US Open qualifying meeting with Felix Gill was set against a fairly even ranking picture, with both players listed around the low 220s and drawn into the same qualifying section[2][11]. Passaro had the stronger recent hard-court visibility and came in with a more established Grand Slam record, while Gill’s latest results suggested a more patchy run through Challenger and qualifying levels[4][10]. That makes a crowd price of 100% YES on Passaro look less like a market reading of a mismatch and more like a reflection of the draw state after the match outcome became known[1][11].
For traders, the main catalysts are straightforward: official draw updates, any late on-site withdrawals, and confirmation that the qualifying schedule proceeds without interruption at Flushing Meadows[11]. The US Open qualifying draw placed Passaro and Gill in the men’s section for the opening round, and live match listings showed the contest on Court 16 in New York on 24 August[2][11]. Passaro’s recent results included a mixed summer on the Challenger circuit, but his profile is sturdier than Gill’s when the market is framed around higher-level match completion and advancing at a major qualifying event[4][7][10]. If the match has already been completed, the settlement risk is mainly administrative rather than competitive.
Methodology
Sports-specific comparison page for US Open, Qualification ATP: Francesco Passaro vs Felix Gill. 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.
- 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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