Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) 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 |
|---|---|
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima | 100% |
| Completed Match | 100% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Set 2 Winner | 100% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Set 1 Winner | 100% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Set 1 O/U 8.5 | 100% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Total Sets: O/U 2.5 | 0% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Set 2 O/U 8.5 | 0% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Match O/U 21.5 | 0% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Set Handicap +/-1.5 | 0% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Set 2 O/U 9.5 | 0% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Match O/U 22.5 | 0% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Set 1 O/U 9.5 | 0% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Set 2 O/U 10.5 | 0% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Set 1 O/U 10.5 | 0% |
| Cincinnati Open, Qualification: Harriet Dart vs Moyuka Uchijima Match O/U 23.5 | 0% |
Market context
Harriet Dart faces Moyuka Uchijima in the opening round of Cincinnati Open qualifying on 11 August 2026. The market currently prices Dart's advancement at 100% on Polygon, with USDC settlement conditional on the British player winning the match outright. The 100% probability reflects either extreme confidence in Dart's superiority or insufficient liquidity to move the price—a common pattern in lower-profile qualifying matches where trading volume remains sparse until closer to event dates.
Dart holds a significant ranking advantage, currently positioned around 150th on the WTA rankings compared to Uchijima's position outside the top 200. Their head-to-head record and recent form favour Dart substantially. Qualifying matches at Masters 1000 events typically feature players with disparate rankings, and when the gap exceeds 50 places, the higher-ranked player advances roughly 75–80% of the time. The 100% price therefore overshoots historical conversion rates, suggesting either market inefficiency or traders' assessment that Dart's specific advantages (surface preference, recent results) warrant exceptional confidence.
Traders should monitor Cincinnati's draw announcements and any late withdrawals that might trigger match cancellations. Injury reports on both players in the week preceding 11 August will matter; Dart's recent tournament schedule and any physical concerns could shift sentiment. The settlement window extends to 18 August, allowing seven days for rescheduling if weather or scheduling conflicts delay the match. Early trading activity in the 48 hours before play typically reveals whether the 100% price holds or whether fresh capital enters to arbitrage perceived overconfidence.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Qué Es, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Pronóstico: Cincinnati Open, Qualification: Harriet … on Polymarket Qué Es
Live order book, 0% fees, USDC settlement in seconds.
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