Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win 2026) 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: Nuno Borges vs Brandon Nakashima Set 2 Winner | 100% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Set 2 O/U 8.5 | 100% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Set 2 O/U 9.5 | 100% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Set 2 O/U 10.5 | 100% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Match O/U 21.5 | 81% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Match O/U 22.5 | 81% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Match O/U 23.5 | 81% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Total Sets: O/U 2.5 | 51% |
| Completed Match | 50% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima | 8% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Set Handicap +/-1.5 | 3% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Set 1 Winner | 0% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Set 1 O/U 9.5 | 0% |
| Cincinnati Open: Nuno Borges vs Brandon Nakashima Set 1 O/U 10.5 | 0% |
Market context
The Cincinnati Open men's draw will feature Portuguese left-hander Nuno Borges against American Brandon Nakashima in an early-round encounter scheduled for 19 August 2026. The crowd-implied probability of 23% suggests Borges is priced as a significant underdog despite holding a favourable head-to-head record against Nakashima. Current market sentiment heavily favours the American, though historical context reveals Borges has consistently performed well on hard courts and has shown particular strength against players with Nakashima's baseline-dominant style.
Nakashima enters Cincinnati ranked higher and carrying momentum from recent ATP results, which partially explains the consensus backing. However, Borges' left-handed serve and court positioning have historically created tactical problems for right-handed opponents relying on forehand-heavy patterns. The 23% probability appears to undervalue Borges' specific matchup advantages, particularly if Nakashima arrives fatigued from preceding tournaments or if surface conditions favour lateral movement over power.
Traders should monitor late injury reports and practice-court form in the days preceding the match, as Cincinnati's hard courts can expose conditioning deficits. Recent ATP tour schedules and any scheduling conflicts affecting either player's preparation warrant attention. The settlement window closes 26 August 2026, providing sufficient buffer for match completion, though weather delays are common at Cincinnati. Value may exist backing Borges if market sentiment remains anchored to Nakashima's ranking rather than adjusting for their specific stylistic matchup.
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 Who Will Win 2026, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 Who Will Win 2026. 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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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