Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) 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, Qualification: Luca Van Assche vs Dusan Lajovic | 100% |
| Completed Match | 100% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Match O/U 21.5 | 100% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Total Sets: O/U 2.5 | 100% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set 1 O/U 8.5 | 100% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set 1 Winner | 100% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set 1 O/U 9.5 | 100% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Match O/U 22.5 | 100% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set 1 O/U 10.5 | 100% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Match O/U 23.5 | 100% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set 2 Winner | 0% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set 2 O/U 8.5 | 0% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set Handicap +/-1.5 | 0% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set 2 O/U 9.5 | 0% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set Handicap +/-1.5 | 0% |
| Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic Set 2 O/U 10.5 | 0% |
Market context
Traders on decentralised prediction markets give 100% probability to cincinnati open, qualification: luca van assche vs dusan lajovic. This market refers to the tennis match between Luca Van Assche and Dusan Lajovic in the Cincinnati Open, Qualification, originally scheduled for August 12, 2026 at 11:30AM ET. This market will resolv…
Methodology
We track Cincinnati Open, Qualification: Luca Van Assche vs Dusan Lajovic across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
UK Frequently Asked Questions
- 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 Best Prediction Markets UK. 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.
- What are the best prediction markets for UK traders in 2026?
- For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.
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