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 |
|---|---|
| National Bank Open: Elina Svitolina vs Anastasia Potapova | 100% |
| Completed Match | 100% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set 1 Winner | 100% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set 2 Winner | 100% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set Handicap +/-1.5 | 100% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set 2 O/U 8.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set 1 O/U 8.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Total Sets: O/U 2.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Match O/U 21.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set 2 O/U 9.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set 1 O/U 9.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Match O/U 22.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set 1 O/U 10.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set 2 O/U 10.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Set Handicap +/-1.5 | 0% |
| National Bank Open: Elina Svitolina vs Anastasia Potapova Match O/U 23.5 | 0% |
Market context
Elina Svitolina’s meeting with Anastasia Potapova at the National Bank Open has a clear historical lean towards the higher-ranked player, which helps explain why the market is pricing Svitolina so heavily. Svitolina leads the head-to-head 1-0, winning their only previous match 6-2, 6-1 on hard courts in Monterrey in 2022, and she has also carried the stronger recent win-loss profile over the last 52 weeks.[1][3] Potapova’s broader numbers are respectable, but she has been less effective against elite opposition, with one source noting a 2-5 record against top-20 players in the past year and a poor recent run against top-10 opponents on hard courts.[1][5]
A crowd-implied probability of 85% is higher than some third-party match models, which have projected Svitolina closer to the mid-60s range, so the market is leaning more strongly on ranking, form and the prior matchup than on an evenly balanced draw.[8] That kind of pricing fits a scenario where one player has the cleaner hard-court résumé and the other needs either a noticeable form spike or a favourable match rhythm to overturn the gap.[1][5]
The main trader watchpoints are whether the scheduled Toronto tie is kept on court as planned and whether either player enters with any late injury, withdrawal or load-management news, because those are the factors most likely to shift a one-sided pre-match line into a 50-50 settlement case if the match is postponed too long.[2][13] Tournament listings and live match pages place the fixture in the National Bank Open’s women’s draw on 6 August 2026, so any weather delay, rescheduling or walkover would be the critical dependency for settlement rather than a change in long-term form.[2][11]
Methodology
Sports-specific comparison page for National Bank Open: Elina Svitolina vs Anastasia Potapova. 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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