Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via احتمالات كأس العالم) Pick polygram.ink (preferred broker) |
68% | 32% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
68% | 32% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| National Bank Open: Iga Swiatek vs Elena Rybakina Set 1 Winner | 68% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Match O/U 21.5 | 68% |
| National Bank Open: Iga Swiatek vs Elena Rybakina | 60% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Match O/U 22.5 | 52% |
| Completed Match | 50% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Set 1 O/U 8.5 | 50% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Set 2 O/U 8.5 | 50% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Set 1 O/U 9.5 | 50% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Set 2 O/U 9.5 | 50% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Set 1 O/U 10.5 | 50% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Set 2 O/U 10.5 | 50% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Set 2 Winner | 49% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Total Sets: O/U 2.5 | 48% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Match O/U 23.5 | 46% |
| National Bank Open: Iga Swiatek vs Elena Rybakina Set Handicap +/-1.5 | 30% |
Market context
The National Bank Open in Montreal will host a quarter-final clash between Iga Swiatek and Elena Rybakina on 13 August 2026. Swiatek, the world number one for much of 2023–2024, has maintained top-ten ranking status despite inconsistency on hard courts outside clay season. Rybakina, a former world number four, won the Australian Open in 2023 and has shown improved consistency on faster surfaces, though injuries have periodically disrupted her calendar. The 56% implied probability for Swiatek reflects her superior ranking and clay-court dominance, yet underestimates Rybakina's hard-court pedigree in this specific tournament context.
Head-to-head records between these players show competitive balance: their career record stands roughly even, with neither player demonstrating decisive superiority. Rybakina's 2023 Australian Open victory and subsequent hard-court performances suggest she performs well in high-pressure matches on faster courts, whereas Swiatek's strength concentrates on clay. The Montreal hard court sits between these specialisations, making recent form on comparable surfaces more predictive than ranking alone. Swiatek's performance at the US Open and other late-summer hard-court events in the preceding weeks will be critical; similarly, Rybakina's injury status and match fitness leading into August warrant close monitoring.
Tournament draws and seeding announcements typically arrive in early August. Traders should track both players' results at warm-up events and any late injury disclosures through official WTA communications. Weather conditions in Montreal—particularly court speed and humidity—can favour Rybakina's aggressive baseline game over Swiatek's tactical approach, introducing volatility to the current line.
Methodology
Football-specific comparison page for توقع: National Bank Open: Iga Swiatek vs Elena Rybakina. 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 (US-focused) or Manifold (play-money).
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.
FAQ
- 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.
- 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.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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