Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) 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 |
|---|---|
| Cincinnati Open: Caty McNally vs McCartney Kessler | 100% |
| Completed Match | 100% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Set 1 Winner | 100% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Set 2 Winner | 100% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Set Handicap +/-1.5 | 100% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Set 2 O/U 8.5 | 100% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Set 2 O/U 9.5 | 100% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Match O/U 21.5 | 0% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Match O/U 22.5 | 0% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Set 1 O/U 9.5 | 0% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Set 1 O/U 10.5 | 0% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Match O/U 23.5 | 0% |
| Cincinnati Open: Caty McNally vs McCartney Kessler Set 2 O/U 10.5 | 0% |
Market context
The Cincinnati Open hard-court event in August 2026 will feature a first-round encounter between American players Caty McNally and McCartney Kessler, scheduled for 10:00 AM ET on 13 August. McNally, a former top-100 player with mixed doubles success on the WTA tour, has competed sporadically in recent seasons with variable results on hard courts. Kessler, a rising American talent, has been building her ranking through ITF and lower-tier WTA events. The 100% implied probability reflects either significant information asymmetry regarding player availability or a technical market condition rather than a clear-cut matchup assessment.
Historical precedent suggests that American domestic matchups at established tour events rarely settle at extreme probabilities unless one player carries substantially higher ranking credentials or recent form advantages. McNally's prior experience at this level and her ranking history would typically command modest favouritism, though the absence of recent head-to-head data between these players limits conventional line-setting. The settlement window extends to 20 August, providing a seven-day buffer beyond the scheduled date—sufficient for rescheduling due to weather or administrative delays without triggering the 50-50 resolution clause.
Traders should monitor Cincinnati Open draw confirmations and entry lists as the tournament approaches, alongside any late withdrawals or injury announcements from either player. WTA scheduling changes occasionally occur within two weeks of events. McNally's participation status in particular warrants verification, given her inconsistent tour schedule in recent years.
Methodology
Football-specific comparison page for Pronóstico: Cincinnati Open: Caty McNally vs McCartney Kessler. 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
- 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.
- 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.
- 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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