Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
76% | 24% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
76% | 24% | 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 |
|---|---|
| National Bank Open: Arthur Fils vs Cameron Norrie Set 1 O/U 8.5 | 76% |
| National Bank Open: Arthur Fils vs Cameron Norrie | 69% |
| National Bank Open: Arthur Fils vs Cameron Norrie Set 1 Winner | 66% |
| National Bank Open: Arthur Fils vs Cameron Norrie Set 2 Winner | 63% |
| National Bank Open: Arthur Fils vs Cameron Norrie Match O/U 21.5 | 53% |
| National Bank Open: Arthur Fils vs Cameron Norrie Set 2 O/U 8.5 | 51% |
| National Bank Open: Arthur Fils vs Cameron Norrie Set 2 O/U 9.5 | 51% |
| National Bank Open: Arthur Fils vs Cameron Norrie Set 1 O/U 9.5 | 51% |
| National Bank Open: Arthur Fils vs Cameron Norrie Set 2 O/U 10.5 | 51% |
| Completed Match | 50% |
| National Bank Open: Arthur Fils vs Cameron Norrie Set Handicap +/-1.5 | 46% |
| National Bank Open: Arthur Fils vs Cameron Norrie Match O/U 22.5 | 45% |
| National Bank Open: Arthur Fils vs Cameron Norrie Match O/U 23.5 | 40% |
| National Bank Open: Arthur Fils vs Cameron Norrie Total Sets: O/U 2.5 | 37% |
| National Bank Open: Arthur Fils vs Cameron Norrie Set 1 O/U 10.5 | 28% |
Market context
Arthur Fils meets Cameron Norrie in the National Bank Open with the market leaning to Fils at 69%, and that pricing fits the season-long numbers rather than any direct head-to-head. Fils has been the stronger match-winner in 2026, with season records in the mid-70s win-rate range in one current stats feed, while Norrie is closer to the low-50s on the same basis.[2][4] There is no ATP-level head-to-head between them, so traders are mostly reading form, surface fit and recent workload rather than a proven matchup pattern.[2][8][11]
That lack of prior meeting matters because comparable one-off pairings between an in-form younger baseline aggressor and a more experienced left-hander often turn on first-serve efficiency and return pressure, not reputation. Fils’ recent record is stronger over the past 52 weeks and he has also held up better in hard-court splits across several stats pages, while Norrie’s broader career sample is steadier but less explosive.[1][3][5][17] On paper, the market’s favourite is the player with the higher recent ceiling, but not by enough to remove upset risk if the match becomes a long return battle.
The key catalysts are practical rather than speculative: whether the round-of-16 slot on the Montreal schedule is kept intact, whether either player has carried a physical issue through the earlier rounds, and whether any late withdrawal or walkover changes the status of the tie. The ATP match listing shows Fils v Norrie as the scheduled National Bank Open meeting, while live scoreboards and tournament pages are the best place to confirm whether the contest actually starts on time or is pushed back.[6][7][13] If the match is not played, is tied, or is delayed beyond the market’s seven-day threshold without a winner, settlement falls back to 50-50 under the market rules.
Methodology
Sports-specific comparison page for National Bank Open: Arthur Fils vs Cameron Norrie. 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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