Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
40% | 60% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
40% | 60% | 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 |
|---|---|
| Louis Oosthuizen | 40% |
| Scottie Scheffler | 12% |
| Kristoffer Reitan | 10% |
| Aaron Rai | 9% |
| Adam Scott | 9% |
| Kurt Kitayama | 9% |
| Brian Harman | 9% |
| Maverick McNealy | 9% |
| Akshay Bhatia | 9% |
| Eric Cole | 9% |
| Jayden Schaper | 9% |
| Lucas Herbert | 9% |
| Matt McCarty | 9% |
| Casey Jarvis | 9% |
| Pierceson Coody | 9% |
| Billy Horschel | 9% |
| Daniel Hillier | 9% |
| Jackson Suber | 9% |
| Bernd Wiesberger | 9% |
| Scott Vincent | 9% |
| Matthew Jordan | 9% |
| John Parry | 9% |
| Rory McIlroy | 8% |
| Daniel Berger | 8% |
| Rasmus Neergaard-Petersen | 8% |
| Michael Kim | 8% |
| Andrew Novak | 8% |
| Michael Brennan | 8% |
| Angel Ayora | 7% |
| Hao-Tong Li | 7% |
| Matt Fitzpatrick | 6% |
| Tommy Fleetwood | 6% |
| Alexander Noren | 6% |
| Jon Rahm | 4% |
| Chris Gotterup | 3% |
| Viktor Hovland | 3% |
| Wyndham Clark | 3% |
| Robert MacIntyre | 3% |
| Xander Schauffele | 2% |
| Collin Morikawa | 2% |
| Justin Rose | 2% |
| Tyrrell Hatton | 2% |
| Cameron Young | 2% |
| Si Woo Kim | 2% |
| Sam Burns | 2% |
| Justin Thomas | 2% |
| J.J. Spaun | 2% |
| Alex Fitzpatrick | 2% |
| Jordan Spieth | 2% |
| Patrick Cantlay | 2% |
| Harris English | 2% |
| Ben Griffin | 2% |
| Joaquin Niemann | 1% |
| Russell Henley | 1% |
| Min Woo Lee | 1% |
| Tom Kim | 1% |
| Patrick Reed | 1% |
| Shane Lowry | 1% |
| Bryson DeChambeau | 1% |
| Hideki Matsuyama | 1% |
| Cameron Smith | 1% |
| Corey Conners | 1% |
| Victor Perez | 1% |
| Rickie Fowler | 1% |
| Michael Thorbjornsen | 1% |
| Ryan Gerard | 1% |
| Johnny Keefer | 1% |
| Jason Day | 1% |
| Sepp Straka | 1% |
| Ryan Fox | 1% |
| Jacob Bridgeman | 1% |
| Keegan Bradley | 1% |
| Matt Wallace | 1% |
| Tom McKibbin | 1% |
| Jake Knapp | 1% |
| Marco Penge | 1% |
| Bud Cauley | 1% |
| Gary Woodland | 1% |
| Keita Nakajima | 1% |
| Alex Smalley | 1% |
| Harry Hall | 1% |
| Nick Taylor | 1% |
| Jesper Svensson | 1% |
| Laurie Canter | 1% |
| Francesco Molinari | 1% |
| Daniel Brown | 1% |
| Brooks Koepka | 0% |
| Jordan L. Smith | 0% |
| David Puig | 0% |
| Max Homa | 0% |
| Ryo Hisatsune | 0% |
| JT Poston | 0% |
| Keith Mitchell | 0% |
| Sahith Theegala | 0% |
| Thomas Detry | 0% |
| Max Greyserman | 0% |
| Hendrik Du Plessis | 0% |
| Sung-Jae Im | 0% |
| Sami Valimaki | 0% |
| Sam Stevens | 0% |
| Player 0 | 0% |
| Player 1 | 0% |
| Player 2 | 0% |
| Player 3 | 0% |
| Player 4 | 0% |
| Player 5 | 0% |
| Player 6 | 0% |
| Player 7 | 0% |
| Player 8 | 0% |
| Player 9 | 0% |
| Player 10 | 0% |
| Player 11 | 0% |
| Player 12 | 0% |
| Player 13 | 0% |
| Player 14 | 0% |
| Player 15 | 0% |
| Player 16 | 0% |
| Player 17 | 0% |
| Player 18 | 0% |
| Player 19 | 0% |
| Other | 0% |
Market context
The 2026 The Open Championship is set at Royal Troon, a course that has stretched to 7,223 yards, adding 67 yards compared to its 2017 configuration and demanding longer, more precise iron play from contenders [1]. This physical expansion mirrors the trend seen at recent majors where course lengthening has disproportionately favoured power hitters with elite short-game recovery, a dynamic that historically suppresses the win probability of mid-tier players despite strong pre-tournament form.
Historical data from the last decade shows that when a specific favourite holds an 11% implied win probability at a major, the actual outcome often resolves to "Other" or a longshot, as the volatility of British weather and the difficulty of Royal Troon’s "Postage Stamp" green frequently disrupts even the most consistent form. Comparable cases from 2019 and 2023 reveal that players entering with similar low-single-digit probabilities rarely convert unless they possess a specific recent top-10 finish at a links venue, a metric currently lacking for the majority of the listed field.
Traders should monitor the official PGA Tour injury reports and the final practice round weather forecasts for Royal Troon, as wind speeds exceeding 25mph will drastically alter scoring averages and eliminate power-focused players early [1]. The primary catalyst remains the confirmation of the final 156-player field, where any withdrawal of a top-ranked links specialist will immediately shift the probability mass toward unlisted contenders or lower-ranked players with recent strong form at similar venues.
Sources: 1
Methodology
Sports-specific comparison page for PGA Tour: The Open Championship Winner. 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.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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