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 |
|---|---|
| National Bank Open: Valentin Royer vs Tommy Paul Set 1 O/U 8.5 | 100% |
| National Bank Open: Valentin Royer vs Tommy Paul Set 1 O/U 9.5 | 100% |
| National Bank Open: Valentin Royer vs Tommy Paul Set Handicap +/-1.5 | 88% |
| Completed Match | 50% |
| National Bank Open: Valentin Royer vs Tommy Paul Set 2 O/U 8.5 | 50% |
| National Bank Open: Valentin Royer vs Tommy Paul Set 2 O/U 9.5 | 50% |
| National Bank Open: Valentin Royer vs Tommy Paul Match O/U 22.5 | 50% |
| National Bank Open: Valentin Royer vs Tommy Paul Set 2 O/U 10.5 | 50% |
| National Bank Open: Valentin Royer vs Tommy Paul Match O/U 23.5 | 50% |
| National Bank Open: Valentin Royer vs Tommy Paul Match O/U 21.5 | 21% |
| National Bank Open: Valentin Royer vs Tommy Paul Total Sets: O/U 2.5 | 11% |
| National Bank Open: Valentin Royer vs Tommy Paul Set 2 Winner | 11% |
| National Bank Open: Valentin Royer vs Tommy Paul | 3% |
| National Bank Open: Valentin Royer vs Tommy Paul Set 1 Winner | 0% |
| National Bank Open: Valentin Royer vs Tommy Paul Set 1 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, national bank open: valentin royer vs tommy paul stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Valentin Royer and Tommy Paul in the National Bank Open, originally scheduled for August 6, 2026 at 10:00AM ET. This market will res…
Methodology
We track National Bank Open: Valentin Royer vs Tommy Paul 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.
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.
- 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 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 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win 2026 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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