U.S. Open: Round 1 Scores
Short Answer
1. Executive Verdict
- Since last update (about an hour ago): Chase Kyes under 77.5 strokes: model declined 39.5pp as the market-led edge flipped significantly.
- Preston Stout under 76.5 strokes: model-led 39.5pp drop widened the edge versus market.
- Headline model probability fell 13.5pp, widening the edge to -13.4pp against the market.
- Harris English under 74.5 strokes: model dropped 11.2pp as the market-led edge flipped notably.
- Shinnecock Hills' historical data indicates exceptionally difficult first-round scoring.
- Shooting under low score thresholds at Shinnecock Hills appears consistently challenging.
- Rory McIlroy struggled significantly at Shinnecock Hills, missing the cut in 2018.
- Jon Rahm also experienced significant difficulty, missing the cut at Shinnecock in 2018.
- Scottie Scheffler's market position is bolstered by elite Strokes Gained statistics.
- The U.S. Open first round occurs on Thursday, June 18, 2026.
Who Wins and Why
| Outcome | Market | Model | Why |
|---|---|---|---|
| R1: Scottie Scheffler under 71.5 strokes | 46.0% | 32.6% | The exceptionally difficult Shinnecock Hills course makes shooting under 71.5 strokes challenging. |
| R1: Brooks Koepka under 73.5 strokes | 44.0% | 44.0% | Historical scoring data indicates Shinnecock Hills is an exceptionally difficult course for low scores. |
| R1: Bryson DeChambeau under 73.5 strokes | 41.0% | 44.0% | Historical scoring data indicates Shinnecock Hills is an exceptionally difficult course for low scores. |
| R1: Patrick Reed under 72.5 strokes | 42.0% | 32.6% | Historical data shows Shinnecock Hills is an exceptionally difficult course for low scores. |
| R1: Rory McIlroy under 71.5 strokes | 38.0% | 22.9% | Rory McIlroy had an opening-round 80 and missed the cut at Shinnecock Hills in 2018. |
Current Context
2. Market Behavior & Price Dynamics
Historical Price (Probability)
3. Significant Price Movements
Notable price changes detected in the chart, along with research into what caused each movement.
Outcome: R1: Xander Schauffele under 72.5 strokes
📈 June 17, 2026: 45.0pp spike
Price increased from 0.0% to 45.0%
Outcome: R1: Scottie Scheffler under 71.5 strokes
📈 June 16, 2026: 49.0pp spike
Price increased from 0.0% to 49.0%
4. Market Data
Contract Snapshot
This market resolves to "Yes" if Jon Rahm records under 72.5 strokes in Round 1 of the 2026 U.S. Open, and "No" if he records 72.5 strokes or more. Trading opens on June 16, 2026, at 1:00 pm EDT and closes after Round 1 is completed, or by July 3, 2026, at 10:00 pm EDT. If Jon Rahm does not complete Round 1, the market will resolve to a fair market price at the time of his withdrawal.
Available Contracts
Market options and current pricing
| Outcome bucket | Yes (price) | No (price) | Last trade probability |
|---|---|---|---|
| R1: Ryan Gerard under 74.5 strokes | $0.59 | $0.44 | 62% |
| R1: Harris English under 74.5 strokes | $0.67 | $0.39 | 61% |
| R1: William Mouw under 75.5 strokes | $0.58 | $0.43 | 61% |
| R1: Adam Scott under 74.5 strokes | $0.62 | $0.40 | 60% |
| R1: Alex Noren under 74.5 strokes | $0.64 | $0.40 | 60% |
| R1: John Parry under 76.5 strokes | $0.66 | $0.38 | 60% |
| R1: Kurt Kitayama under 74.5 strokes | $0.61 | $0.40 | 60% |
| R1: Jacob Bridgeman under 74.5 strokes | $0.59 | $0.42 | 58% |
| R1: Nick Taylor under 74.5 strokes | $0.60 | $0.42 | 58% |
| R1: Si Woo Kim under 73.5 strokes | $0.60 | $0.42 | 58% |
| R1: Matt Fitzpatrick under 73.5 strokes | $0.57 | $0.44 | 57% |
| R1: Nick Hardy under 75.5 strokes | $0.56 | $0.60 | 57% |
| R1: Sam Stevens under 74.5 strokes | $0.58 | $0.43 | 57% |
| R1: Daniel Berger under 74.5 strokes | $0.57 | $0.45 | 55% |
| R1: Ryan Fox under 74.5 strokes | $0.58 | $0.45 | 55% |
| R1: Harry Hall under 74.5 strokes | $0.59 | $0.46 | 54% |
| R1: Chase Kyes under 77.5 strokes | $0.53 | $0.58 | 53% |
| R1: Chris Gotterup under 73.5 strokes | $0.53 | $0.48 | 53% |
| R1: Harry Higgs under 75.5 strokes | $0.52 | $0.57 | 53% |
| R1: James Nicholas under 75.5 strokes | $0.52 | $0.57 | 53% |
| R1: Nicolai Hojgaard under 74.5 strokes | $0.55 | $0.47 | 53% |
| R1: Preston Stout under 76.5 strokes | $0.65 | $0.47 | 53% |
| R1: Cooper Dossey under 75.5 strokes | $0.61 | $0.47 | 52% |
| R1: Corey Conners under 74.5 strokes | $0.55 | $0.48 | 52% |
| R1: J.J. Spaun under 73.5 strokes | $0.54 | $0.48 | 52% |
| R1: Collin Morikawa under 73.5 strokes | $0.51 | $0.52 | 51% |
| R1: Michael Brennan under 74.5 strokes | $0.44 | $0.62 | 51% |
| R1: Zac Blair under 75.5 strokes | $0.51 | $0.50 | 51% |
| R1: Kevin Roy under 75.5 strokes | $0.63 | $0.50 | 50% |
| R1: Maverick McNealy under 73.5 strokes | $0.52 | $0.50 | 50% |
| R1: Kristoffer Reitan under 73.5 strokes | $0.48 | $0.54 | 49% |
| R1: Max McGreevy under 74.5 strokes | $0.56 | $0.51 | 49% |
| R1: Dustin Johnson under 74.5 strokes | $0.54 | $0.53 | 47% |
| R1: Justin Thomas under 73.5 strokes | $0.45 | $0.58 | 47% |
| R1: Alejandro Tosti under 75.5 strokes | $0.52 | $0.54 | 46% |
| R1: Alex Fitzpatrick under 73.5 strokes | $0.46 | $0.57 | 46% |
| R1: Ben Griffin under 73.5 strokes | $0.44 | $0.60 | 46% |
| R1: Cameron Young under 72.5 strokes | $0.46 | $0.57 | 46% |
| R1: Keegan Bradley under 73.5 strokes | $0.46 | $0.55 | 46% |
| R1: Lucas Herbert under 74.5 strokes | $0.54 | $0.54 | 46% |
| R1: Min Woo Lee under 73.5 strokes | $0.45 | $0.62 | 46% |
| R1: Scottie Scheffler under 71.5 strokes | $0.46 | $0.56 | 46% |
| R1: Tommy Fleetwood under 72.5 strokes | $0.46 | $0.55 | 46% |
| R1: Caleb Surratt under 75.5 strokes | $0.51 | $0.54 | 45% |
| R1: Justin Rose under 73.5 strokes | $0.45 | $0.56 | 45% |
| R1: Keith Mitchell under 73.5 strokes | $0.45 | $0.58 | 45% |
| R1: Matti Schmid under 74.5 strokes | $0.44 | $0.62 | 45% |
| R1: Shane Lowry under 73.5 strokes | $0.45 | $0.57 | 45% |
| R1: Sudarshan Yellamaraju under 74.5 strokes | $0.47 | $0.55 | 45% |
| R1: Xander Schauffele under 72.5 strokes | $0.44 | $0.63 | 45% |
| R1: Brooks Koepka under 73.5 strokes | $0.45 | $0.56 | 44% |
| R1: Chris Kirk under 74.5 strokes | $0.54 | $0.56 | 44% |
| R1: Emiliano Grillo under 74.5 strokes | $0.52 | $0.55 | 44% |
| R1: John Keefer under 74.5 strokes | $0.54 | $0.58 | 44% |
| R1: Ludvig Aberg under 72.5 strokes | $0.44 | $0.57 | 44% |
| R1: Pierceson Coody under 74.5 strokes | $0.47 | $0.59 | 44% |
| R1: Joaquin Niemann under 73.5 strokes | $0.43 | $0.59 | 43% |
| R1: Michael Kim under 73.5 strokes | $0.41 | $0.62 | 43% |
| R1: Alex Smalley under 73.5 strokes | $0.41 | $0.65 | 42% |
| R1: Andrew Putnam under 74.5 strokes | $0.49 | $0.58 | 42% |
| R1: Cameron Smith under 73.5 strokes | $0.42 | $0.60 | 42% |
| R1: Hennie Du Plessis under 75.5 strokes | $0.51 | $0.58 | 42% |
| R1: Jackson Koivun under 73.5 strokes | $0.45 | $0.60 | 42% |
| R1: Jon Rahm under 72.5 strokes | $0.43 | $0.58 | 42% |
| R1: Miles Russell under 75.5 strokes | $0.43 | $0.58 | 42% |
| R1: Patrick Reed under 72.5 strokes | $0.41 | $0.62 | 42% |
| R1: Robert MacIntyre under 73.5 strokes | $0.53 | $0.58 | 42% |
| R1: Sahith Theegala under 73.5 strokes | $0.42 | $0.62 | 42% |
| R1: Billy Horschel under 74.5 strokes | $0.41 | $0.60 | 41% |
| R1: Brian Harman under 73.5 strokes | $0.41 | $0.61 | 41% |
| R1: Bryson DeChambeau under 73.5 strokes | $0.42 | $0.59 | 41% |
| R1: Hideki Matsuyama under 73.5 strokes | $0.42 | $0.60 | 41% |
| R1: Max Greyserman under 73.5 strokes | $0.41 | $0.64 | 41% |
| R1: Rickie Fowler under 73.5 strokes | $0.43 | $0.59 | 41% |
| R1: David Puig under 73.5 strokes | $0.39 | $0.65 | 40% |
| R1: Graeme McDowell under 75.5 strokes | $0.49 | $0.60 | 40% |
| R1: Jackson Suber under 73.5 strokes | $0.38 | $0.65 | 40% |
| R1: Jake Knapp under 73.5 strokes | $0.41 | $0.60 | 40% |
| R1: Jayden Trey Schaper under 74.5 strokes | $0.57 | $0.60 | 40% |
| R1: Padraig Harrington under 75.5 strokes | $0.66 | $0.59 | 40% |
| R1: Sam Burns under 72.5 strokes | $0.40 | $0.61 | 40% |
| R1: Taylor Montgomery under 74.5 strokes | $0.39 | $0.62 | 40% |
| R1: Jordan Spieth under 73.5 strokes | $0.43 | $0.64 | 39% |
| R1: Ryo Hisatsune under 73.5 strokes | $0.37 | $0.71 | 39% |
| R1: Aaron Rai under 73.5 strokes | $0.44 | $0.62 | 38% |
| R1: Marcelo Rozo under 75.5 strokes | $0.40 | $0.62 | 38% |
| R1: Nicolas Echavarria under 73.5 strokes | $0.34 | $0.68 | 38% |
| R1: Rory McIlroy under 71.5 strokes | $0.40 | $0.62 | 38% |
| R1: Patrick Cantlay under 72.5 strokes | $0.37 | $0.65 | 37% |
| R1: Russell Henley under 72.5 strokes | $0.38 | $0.64 | 37% |
| R1: Sungjae Im under 73.5 strokes | $0.37 | $0.65 | 37% |
| R1: Tyrrell Hatton under 72.5 strokes | $0.37 | $0.65 | 37% |
| R1: Angel Hidalgo under 75.5 strokes | $0.48 | $0.65 | 35% |
| R1: Jason Day under 73.5 strokes | $0.37 | $0.65 | 35% |
| R1: Laurie Canter under 74.5 strokes | $0.37 | $0.65 | 35% |
| R1: Wyndham Clark under 72.5 strokes | $0.34 | $0.68 | 34% |
| R1: Sepp Straka under 72.5 strokes | $0.36 | $0.66 | 33% |
| R1: Rocco Repetto Taylor under 75.5 strokes | $0.46 | $0.70 | 30% |
| R1: Viktor Hovland under 72.5 strokes | $0.36 | $0.70 | 30% |
| R1: Bryan Lee under 75.5 strokes | $0.44 | $0.75 | 25% |
| R1: Carl Yuan under 75.5 strokes | $0.48 | $0.62 | 9% |
| R1: Manav Shah under 78.5 strokes | $0.51 | $0.89 | 6% |
| R1: Adrien Dumont De Chassart under 74.5 strokes | $0.48 | $0.60 | 0% |
| R1: Adrien Saddier under 75.5 strokes | $0.52 | $0.55 | 0% |
| R1: Akshay Bhatia under 74.5 strokes | $0.57 | $0.48 | 0% |
| R1: Andrew Novak under 74.5 strokes | $0.59 | $0.46 | 0% |
| R1: Arni Sveinsson under 76.5 strokes | $0.89 | $0.90 | 0% |
| R1: Ben Kohles under 74.5 strokes | $0.44 | $0.65 | 0% |
| R1: Ben Silverman under 74.5 strokes | $0.44 | $0.60 | 0% |
| R1: Benjamin James under 74.5 strokes | $0.49 | $0.66 | 0% |
| R1: Brandon Holtz under 75.5 strokes | $0.38 | $0.87 | 0% |
| R1: Brandon Wu under 74.5 strokes | $0.36 | $0.74 | 0% |
| R1: Bud Cauley under 73.5 strokes | $0.44 | $0.64 | 0% |
| R1: Carlos Ortiz under 74.5 strokes | $0.42 | $0.69 | 0% |
| R1: Chandler Phillips under 75.5 strokes | $0.58 | $0.47 | 0% |
| R1: Cole Hammer under 75.5 strokes | $0.47 | $0.63 | 0% |
| R1: Davis Thompson under 73.5 strokes | $0.37 | $0.70 | 0% |
| R1: Dylan Wu under 75.5 strokes | $0.58 | $0.52 | 0% |
| R1: Eric Lee under 75.5 strokes | $0.41 | $0.66 | 0% |
| R1: Ethan Fang under 74.5 strokes | $0.39 | $0.80 | 0% |
| R1: Filippo Celli under 74.5 strokes | $0.35 | $0.75 | 0% |
| R1: Gary Woodland under 73.5 strokes | $0.44 | $0.57 | 0% |
| R1: Giuseppe Puebla under 75.5 strokes | $0.49 | $0.73 | 0% |
| R1: Greyson Leach under 78.5 strokes | $0.95 | $0.32 | 0% |
| R1: Hamilton Coleman under 80.5 strokes | $0.76 | $0.36 | 0% |
| R1: J.B. Holmes under 77.5 strokes | $0.53 | $0.58 | 0% |
| R1: J.T. Poston under 74.5 strokes | $0.53 | $0.50 | 0% |
| R1: Jack Schoenberger under 74.5 strokes | $0.38 | $0.85 | 0% |
| R1: Jackson Herrington under 75.5 strokes | $0.32 | $0.75 | 0% |
| R1: Jackson Ormond under 75.5 strokes | $0.35 | $0.82 | 0% |
| R1: Jackson Van Paris under 76.5 strokes | $0.48 | $0.63 | 0% |
| R1: Jake Peacock under 77.5 strokes | $0.67 | $0.44 | 0% |
| R1: Jake Sollon under 75.5 strokes | $0.44 | $0.75 | 0% |
| R1: Jimmy Stanger under 74.5 strokes | $0.44 | $0.65 | 0% |
| R1: Kaito Onishi under 75.5 strokes | $0.48 | $0.72 | 0% |
| R1: Logan Reilly under 75.5 strokes | $0.43 | $0.71 | 0% |
| R1: Marek Fleming under 77.5 strokes | $0.37 | $0.73 | 0% |
| R1: Mason Howell under 76.5 strokes | $0.52 | $0.58 | 0% |
| R1: Mateo Pulcini under 75.5 strokes | $0.33 | $0.85 | 0% |
| R1: Matthew Jordan under 74.5 strokes | $0.46 | $0.60 | 0% |
| R1: Matthew McCarty under 74.5 strokes | $0.55 | $0.57 | 0% |
| R1: Matthew Robles under 77.5 strokes | $0.89 | $0.90 | 0% |
| R1: Nathan Kimsey under 74.5 strokes | $0.60 | $0.58 | 0% |
| R1: Neal Shipley under 74.5 strokes | $0.38 | $0.67 | 0% |
| R1: Niklas Norgaard Moller under 74.5 strokes | $0.50 | $0.67 | 0% |
| R1: Patrick Rodgers under 74.5 strokes | $0.49 | $0.58 | 0% |
| R1: Peter Uihlein under 74.5 strokes | $0.37 | $0.70 | 0% |
| R1: Robbie Higgins under 76.5 strokes | $0.42 | $0.68 | 0% |
| R1: Ryder Cowan under 77.5 strokes | $0.63 | $0.48 | 0% |
| R1: Ryuichi Oiwa under 75.5 strokes | $0.44 | $0.71 | 0% |
| R1: Spencer Tibbits under 77.5 strokes | $0.39 | $0.71 | 0% |
| R1: T.K. Kim under 75.5 strokes | $0.38 | $0.85 | 0% |
| R1: Taihei Sato under 75.5 strokes | $0.43 | $0.65 | 0% |
| R1: Tom Kim under 73.5 strokes | $0.41 | $0.63 | 0% |
| R1: Ugo Coussaud under 75.5 strokes | $0.49 | $0.60 | 0% |
| R1: Vaughn Harber under 77.5 strokes | $0.43 | $0.67 | 0% |
Market Discussion
The 2026 U.S. Open is scheduled to commence on June 18, 2026, at Shinnecock Hills Golf Club in Southampton, New York [^][^][^]. As of June 18, 2026, the first round is either just beginning or in progress, so no finalized Round 1 scores are currently available [^][^][^]. Ahead of the tournament, prediction markets and rankings widely identify Scottie Scheffler as the favorite to win, followed by Rory McIlroy, with social media commentary highlighting anticipated challenging conditions at Shinnecock Hills [^][^][^][^].
5. How do weather conditions and course setup at Shinnecock Hills typically impact scoring in the first round of a U.S. Open?
| 1986 First-Round Avg Score | 77.88 [^][^][^][^] |
|---|---|
| 2018 First-Round Avg Score | 76.47 [^][^][^][^] |
| Wind Speed for Difficult Play | Exceeds 20 mph [^][^][^] |
6. What key performance indicators, such as strokes gained statistics, support the market's Round 1 scoring line for Scottie Scheffler?
| Strokes Gained: Total Rank | 1st (2.162) [^][^] |
|---|---|
| Strokes Gained: Tee-to-Green Rank | 1st (1.696) [^][^] |
| 2026 Round 1 Scoring Average | 69.92 (51st on tour) [^] |
7. How do Rory McIlroy's and Jon Rahm's past performances in U.S. Opens compare, particularly on difficult, links-style courses like Shinnecock Hills?
| Rory McIlroy U.S. Open Win | 2011 [^][^][^] |
|---|---|
| Jon Rahm U.S. Open Win | 2021 [^][^][^][^][^] |
| Rory McIlroy Current Ranking | 2nd (DataGolf) [^] |
8. What is the historical scoring data for top-ranked players during previous U.S. Opens held at Shinnecock Hills?
| Shinnecock Hills U.S. Opens hosted | 5 times (1896, 1986, 1995, 2004, 2018) [^][^][^] |
|---|---|
| 2018 U.S. Open Round 1 leaders | 4 players at 1-under par (69) [^][^] |
| 2018 U.S. Open Round 1 scoring average | 76.47 [^][^] |
9. How does Xander Schauffele's recent form compare to Tommy Fleetwood's leading into the 2026 U.S. Open?
| Xander Schauffele Major Consistency | Top 20 in 16 of last 17 major starts since 2022 [^][^] |
|---|---|
| Tommy Fleetwood 2026 Top-10s | 12 [^][^] |
| 2026 Cuts Made (Both Players) | 11 of 12 [^][^] |
10. What Could Change the Odds
Key Catalysts
Key Dates & Catalysts
- Expiration: July 04, 2026
- Closes: July 04, 2026
11. Decision-Flipping Events
- Trigger: The 2026 U.S.
- Trigger: Open Golf Championship is scheduled to take place from June 18 to June 21, 2026, at Shinnecock Hills Golf Club in Southampton, New York [^] [^] [^] .
- Trigger: The first round of the 2026 U.S.
- Trigger: Open occurs on Thursday, June 18, 2026 [^] .
13. Historical Resolutions
Historical Resolutions: 20 markets in this series
Outcomes: 8 resolved YES, 12 resolved NO
Recent resolutions:
- KXPGAROUNDSCORE-RBBCAN26R2-WCLA67: NO (Jun 12, 2026)
- KXPGAROUNDSCORE-RBBCAN26R2-VWHA70: NO (Jun 12, 2026)
- KXPGAROUNDSCORE-RBBCAN26R2-VHOV67: NO (Jun 12, 2026)
- KXPGAROUNDSCORE-RBBCAN26R2-TPEN68: YES (Jun 12, 2026)
- KXPGAROUNDSCORE-RBBCAN26R2-TKIM67: NO (Jun 12, 2026)