Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set 2 O/U 8.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Match O/U 21.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set 1 O/U 8.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set 2 O/U 9.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Match O/U 22.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set Handicap +/-1.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set 1 O/U 9.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Match O/U 23.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set 2 O/U 10.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set 1 O/U 10.5 | 100% |
| Cincinnati Open: J.J. Wolf vs James Duckworth | 0% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set 1 Winner | 0% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set 2 Winner | 0% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: J.J. Wolf vs James Duckworth Set Handicap +/-1.5 | 0% |
Market context
J.J. Wolf and James Duckworth are scheduled to meet in the opening rounds of the Cincinnati Open on 14 August 2026. Wolf, an American ranked in the mid-200s, has competed sporadically on the ATP tour with limited success at Masters 1000 level. Duckworth, the Australian veteran, has maintained a more consistent presence on tour despite persistent injury concerns that have interrupted his career trajectory over the past three seasons.
The 0% implied probability reflects the market's current illiquidity rather than a definitive assessment of Wolf's chances. Historical precedent suggests that matches between players ranked outside the top 100 at Masters events often see minimal trading activity until closer to the event date, particularly when neither competitor has recent form at this level. Duckworth's experience in high-pressure environments—accumulated through multiple Grand Slam appearances and Davis Cup representation—typically favours him in such matchups, though age and fitness remain variables that have affected his recent tournament performance.
Traders should monitor the ATP's official draw confirmation and any late withdrawals, as the Cincinnati Open frequently experiences last-minute changes due to player injury or scheduling conflicts. Duckworth's fitness status heading into the week will be critical; any indication of recurring soft-tissue issues would shift the baseline expectation. Wolf's recent results on lower-tier circuits and whether he qualifies or receives a main-draw invitation will determine his preparation level. The settlement window extends to 21 August, allowing seven days beyond the scheduled date for completion, which accommodates potential rain delays common to Cincinnati's August scheduling.
Methodology
Sports-specific comparison page for Cincinnati Open: J.J. Wolf vs James Duckworth. 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.
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.
- 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.
- 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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