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 |
|---|---|
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz | 100% |
| Completed Match | 100% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Set 2 Winner | 100% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Set 1 Winner | 100% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Set 1 O/U 8.5 | 100% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Set 2 O/U 8.5 | 100% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Set 1 O/U 9.5 | 100% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Set 1 O/U 10.5 | 100% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Total Sets: O/U 2.5 | 0% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Match O/U 21.5 | 0% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Set Handicap +/-1.5 | 0% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Match O/U 22.5 | 0% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Set 2 O/U 9.5 | 0% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Match O/U 23.5 | 0% |
| National Bank Open: Thiago Agustin Tirante vs Taylor Fritz Set 2 O/U 10.5 | 0% |
Market context
Live Polymarket data shows 100% YES probability for National Bank Open: Thiago Agustin Tirante vs Taylor Fritz. This market refers to the tennis match between Thiago Agustin Tirante and Taylor Fritz in the National Bank Open, originally scheduled for August 6, 2026 at 10:00AM ET. This market will resolve to 'T…
Methodology
We track National Bank Open: Thiago Agustin Tirante vs Taylor Fritz 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
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.
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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