Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set 1 Winner | 100% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Match O/U 21.5 | 100% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set 2 O/U 8.5 | 100% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Total Sets: O/U 2.5 | 100% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Match O/U 22.5 | 100% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set 2 O/U 9.5 | 100% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Match O/U 23.5 | 100% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set 2 O/U 10.5 | 100% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer | 0% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set 2 Winner | 0% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set 1 O/U 8.5 | 0% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set Handicap +/-1.5 | 0% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set 1 O/U 9.5 | 0% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set Handicap +/-1.5 | 0% |
| Canadian Open: Pablo Carreno Busta vs Valentin Royer Set 1 O/U 10.5 | 0% |
Market context
Polymarket is pricing this USDC-denominated, Polygon-settled conditional token at **0% YES** right now, which means the market is effectively assigning no chance that Pablo Carreno Busta advances against Valentin Royer unless that pricing moves before settlement. The contract resolves on the match outcome, but if the match is not played, is tied, or is delayed more than seven days without a winner, it falls back to 50-50 under the market rules.
The comparison set does not support a zero-probability view. Independent tennis listings show no prior head-to-head between the pair, which leaves traders leaning on ranking and recent form rather than matchup history.[1][11] Pablo Carreno Busta is listed around ATP No. 66 and Royer around No. 78, with Carreno Busta having the stronger career profile and most pre-match indicators giving him the edge despite the age gap.[2][15] Tennis.com’s pre-match projection has Royer at 35% and Carreno Busta at 65%, while sportsbooks have Carreno Busta around 1.45 favourite, implying the market is far from a true coin flip.[2][17]
The main trader catalysts are basic execution risks: whether the match actually starts on the Montreal schedule, whether it is moved on court or time, and whether any rain, delay or draw reshuffle pushes it outside the settlement window.[4][15] Tournament listings currently place the round-of-128 match on outdoor hard courts in Montreal, but the exact start time has appeared inconsistently across feeds, so Polymarket users should watch official order-of-play updates and live match status rather than relying on a single scheduled time.[4][5][16] Under the token mechanics, any verified winner mints the corresponding outcome token, while a no-contest or extended delay triggers the fallback 50-50 resolution.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 PolyGram. 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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