Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
77% | 23% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
77% | 23% | 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: Raphael Collignon vs Alexei Popyrin Match O/U 22.5 | 77% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin | 58% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Set 2 Winner | 56% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Set 1 Winner | 56% |
| Completed Match | 50% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Set 1 O/U 8.5 | 50% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Set 2 O/U 8.5 | 50% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Match O/U 21.5 | 50% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Set 1 O/U 9.5 | 50% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Set 2 O/U 9.5 | 50% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Set 1 O/U 10.5 | 50% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Set 2 O/U 10.5 | 50% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Match O/U 23.5 | 49% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Total Sets: O/U 2.5 | 43% |
| National Bank Open: Raphael Collignon vs Alexei Popyrin Set Handicap +/-1.5 | 38% |
Market context
Raphael Collignon and Alexei Popyrin meet again on hard court in Montreal, with the market leaning to Collignon at 60% despite Popyrin’s stronger pedigree at this level. Their only previous meeting came on grass in Halle in June, where Collignon won 6-4, 6-2, so the head-to-head does not point to an automatic reset in Popyrin’s favour[1][4]. Recent form also supports the underdog narrative: Collignon is listed at 36-14 this season, versus 10-19 for Popyrin, and he has won 19 of 21 matches against non-top-100 opponents this year[1].
For traders, the key question is whether Popyrin can lean on his history in Canada and his status as a former Canadian Open champion, while Collignon has to prove that the Halle result was not surface-specific[1]. Popyrin is also defending quarter-final points this week, so tournament context may matter if he is carrying pressure rather than momentum[1]. The main catalysts to watch are the official order of play, any injury or withdrawal updates before the scheduled August 6 start, and whether either player is coming through a packed draw with little rest; if the match is delayed beyond seven days without a winner, the market reverts to 50-50 under the stated rules.
Methodology
Sports-specific comparison page for National Bank Open: Raphael Collignon vs Alexei Popyrin. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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