The prediction market for a top-20 finish at the 2026 THE CJ CUP Byron Nelson experienced a significant reshuffling on Saturday, May 23, 2026, as traders reacted in real-time to the pivotal third-round leaderboard. The market saw sharp gains for players surging up the standings, while contracts for those who faltered saw corresponding drops. Seung-Yul Noh’s contract saw the largest individual jump, spiking 70.0 percentage points, as his on-course performance placed him firmly inside the top 20. This was part of a broader repricing, with probability shifting away from struggling players like Jordan Spieth, whose odds fell 51.0 percentage points after a difficult "Moving Day" [1].
Distribution Analysis
The market shows a clear division between players cementing their top-20 chances and those falling out of contention. While 36 of the 69 contracts saw their probabilities rise, 30 declined, indicating a broad re-evaluation across the field. The most significant shifts occurred on high trading volume, suggesting strong market conviction based on live tournament results. Players at the top of the leaderboard, such as leader Si Woo Kim (99%) and chasers Wyndham Clark (99%) and Scottie Scheffler (98%), are now priced as near-certainties for a top-20 finish [1].
| Outcome | Current Prob | Change | Volume |
|---|---|---|---|
| Si Woo Kim | 99% | +2.0pp | 1,491 |
| Wyndham Clark | 99% | +21.0pp | 1,775 |
| Scottie Scheffler | 98% | +4.0pp | 9,463 |
| Stephan Jaeger | 95% | -22.0pp | 3,369 |
| Sungjae Im | 95% | +15.0pp | 6,200 |
| Tom Hoge | 92% | +42.0pp | 1,362 |
| Zachary Bauchou | 89% | +46.0pp | 2,198 |
| Keith Mitchell | 86% | +20.0pp | 2,136 |
| Max Greyserman | 84% | +40.0pp | 2,482 |
| Brooks Koepka | 84% | +13.0pp | 16,059 |
| Jackson Suber | 75% | -15.0pp | 954 |
| Blades Brown | 72% | +51.0pp | 5,206 |
| Tony Finau | 69% | +12.0pp | 1,351 |
| Ryo Hisatsune | 64% | +30.0pp | 3,420 |
| Erik Van Rooyen | 61% | +39.0pp | 1,855 |
| Taylor Moore | 59% | -22.0pp | 5,532 |
| Steven Fisk | 54% | +28.0pp | 453 |
| Kensei Hirata | 53% | +25.0pp | 15,107 |
| Rasmus Neergaard-Petersen | 50% | -10.0pp | 2,982 |
| Jesper Svensson | 47% | +6.0pp | 889 |
| Seung-Yul Noh | 46% | +70.0pp | 234 |
| Chris Kirk | 45% | +45.0pp | 8,813 |
| Austin Eckroat | 44% | +33.0pp | 1,744 |
| Rico Hoey | 42% | -23.0pp | 2,312 |
| Sam Ryder | 36% | +7.0pp | 475 |
| Pierceson Coody | 36% | -18.0pp | 2,482 |
| Yongjun Bae | 30% | +22.0pp | 40 |
| Jordan Spieth | 30% | -51.0pp | 13,060 |
| ... (and 41 others) | ... | ... | ... |
Net: 36 of 69 contracts rose on 96,695 total volume, while 30 declined on 64,581 volume, reflecting a significant repricing based on third-round tournament action.
What's Driving the Shift
The probability shifts directly correlate with player performance during the tournament's pivotal third round, often called "Moving Day."
"Moving Day" Surges: The most significant gains were seen by players who climbed the leaderboard on Saturday. Seung-Yul Noh's odds experienced a sharp 70.0pp spike after his third round moved him into a tie for 16th place at -13 under par [1]. Similarly, Blades Brown's probability jumped 51.0pp as he moved to T12, and Chris Kirk's rose 45.0pp as he also secured a T16 position. These moves reflect the market pricing in their now-strong positions heading into the final round.
Faltering Contenders: Conversely, players who struggled in the third round saw their odds for a top-20 finish plummet. Hometown favorite Jordan Spieth [2] saw the most significant decline, dropping 51.0pp on heavy volume as he fell to T39 at -10 under par, well outside the current top-20 standings [1]. First-round leader Taylor Moore [3], who has since slipped to T16, saw his odds decrease by 22.0pp, reflecting his more precarious position compared to earlier in the tournament.
Market Concentration: The total implied probability across all 69 contracts sums to 2,371%, far exceeding the 2,000% that would represent 20 players at 100% certainty. This is common in "Top X" finisher markets during live play. Saturday's shifts show the market concentrating this probability among the players with a realistic path to a top-20 finish, while draining it from the growing list of those who have fallen too far behind.
Market Context
The price action on Saturday, May 23, demonstrates the market's efficiency in processing live performance data. The high trading volume on major movers like Jordan Spieth (13,060), Kensei Hirata (15,107), and Brooks Koepka (16,059) indicates significant liquidity and trader conviction.
The top of the market aligns closely with the top of the official PGA Tour leaderboard. Si Woo Kim, who leads the tournament at -21, is priced at 99% [1]. Scottie Scheffler and Wyndham Clark, both tied for second at -19, are priced at 98% and 99% respectively [1]. This demonstrates a strong consensus between market odds and on-course reality as the tournament heads toward its conclusion.
What to Watch
The market is scheduled to close on June 21, 2026, well after the tournament concludes. However, with the third round complete, this represents the final major repricing before the final round on Sunday, May 24 [9]. Settlement of the market will be based on the final official leaderboard as published by the PGA Tour, ESPN, and Fox Sports.
