Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات كورة) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set 1 O/U 8.5 | 100% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set Handicap +/-1.5 | 100% |
| National Bank Open: Sloane Stephens vs Belinda Bencic | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set 2 O/U 8.5 | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set 2 Winner | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set 1 Winner | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Total Sets: O/U 2.5 | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set 2 O/U 9.5 | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set Handicap +/-1.5 | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Match O/U 21.5 | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set 2 O/U 10.5 | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set 1 O/U 9.5 | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Match O/U 22.5 | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Set 1 O/U 10.5 | 0% |
| National Bank Open: Sloane Stephens vs Belinda Bencic Match O/U 23.5 | 0% |
Market context
Sloane Stephens against Belinda Bencic in the National Bank Open is a second-round hard-court match in Toronto, and the market’s 0% YES price clashes with the pre-match shape of the contest. Tennis.com lists Bencic as the projected winner by 84% to Stephens’ 16%, while Tennis Temple has Bencic ranked No. 14 and Stephens far lower at No. 286, a gap that matters on outdoor hard courts where the higher-ranked, steadier baseliner usually carries the better baseline expectation.[1][2]
The historical read favours Bencic on recent level, even though Stephens leads the head-to-head 2-0 and has not dropped a set to her across those meetings.[2][4] The key caveat is that those matches are old and context has shifted: Stephens has been patchy for seasons, though she did beat Harriet Dart and Solana Sierra to reach this stage, while Bencic’s last two Slam runs were respectable fourth-round exits at Roland-Garros and Wimbledon.[2][8] That combination of a one-sided recent ranking gap and a stale head-to-head is why the market is treating Stephens as a long shot despite the past edge.[1][8]
For traders, the main catalysts are whether the scheduled Toronto slot holds and whether either player’s physical status changes before first ball. Sportsnet reported Bencic’s withdrawal from the National Bank Open in an earlier preview cycle and also noted Stephens’ return from a knee injury, so any late draw update or fitness bulletin would matter materially here.[12] The official event schedule and live listings show the match on August 5 in Toronto, with courtside timing still subject to tournament scheduling, so a delay or rescheduling could shift the settlement angle if it runs beyond the market window.[3][9][11]
Methodology
Football-specific comparison page for توقع: National Bank Open: Sloane Stephens vs Belinda Bencic. 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.
- 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.
- 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.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
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