Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Cincinnati Open: Linda Noskova vs Katie Boulter | 100% |
| Completed Match | 100% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set 2 Winner | 100% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set 1 Winner | 100% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set 2 O/U 8.5 | 100% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set Handicap +/-1.5 | 100% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Match O/U 21.5 | 0% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Match O/U 22.5 | 0% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set 1 O/U 9.5 | 0% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set 2 O/U 9.5 | 0% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set Handicap +/-1.5 | 0% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set 1 O/U 10.5 | 0% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Match O/U 23.5 | 0% |
| Cincinnati Open: Linda Noskova vs Katie Boulter Set 2 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of cincinnati open: linda noskova vs katie boulter. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Linda Noskova and Katie Boulter in the Cincinnati Open, originally scheduled for August 15, 2026 at 10:00AM ET. This market will res…
Methodology
This page reviews Cincinnati Open: Linda Noskova vs Katie Boulter across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi vs Polymarket, which mirrors the Polymarket order book at 0% fees.
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 Kalshi vs Polymarket. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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.
- 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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