TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 19, 8:00 AM EST
Kalshi
In a 3-ball golf competition format, three golfers compete together during the first round of the 2026 U.S. Open. The golfer with the lowest score for the round wins the 3-ball matchup. This market resolves based on which of the three competitors—Akshay Bhatia, Min Woo Lee, or Carlos Ortiz—posts the best score.
The winner of the 3-ball matchup is determined by the lowest score posted during the first round of the 2026 U.S. Open. If two or more participants tie for the lowest score, the Yes payout is divided equally among all tied participants, with each receiving $1/N rounded down to the nearest cent, where N equals the number of tied participants. The No payout equals $1 minus the Yes payout. If any golfer withdraws before teeing off, all markets resolve to fair market value.
Prediction market odds often diverge from traditional sportsbook lines because they reflect real-time trader sentiment rather than fixed odds set by oddsmakers. On Kalshi, prices adjust continuously as new information emerges and traders adjust their positions. Sportsbooks typically move lines to manage liability, while prediction markets aggregate the collective beliefs of participants actively trading. This market can serve as a useful signal for comparing crowd-sourced probability estimates against conventional betting markets, though each operates under different incentive structures.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell contracts reflecting their view of each player's performance in the threesome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Prices range from near zero to one dollar, with the midpoint reflecting the implied probability the market assigns to each outcome. As traders submit bids and asks, the market price updates in real time, allowing you to enter or exit positions at the prevailing rate. The spread between buy and sell prices reflects liquidity and trader conviction around the event.
This market resolves around Jun 18, 2026, once the first round of the PGA Tour event concludes and results are verified against credible public sources. The outcome is determined by the actual performance metrics of each player in their assigned 3-ball grouping during that round. Resolution hinges on official tournament scoring and standings published by the PGA Tour or the host event. Traders should monitor official leaderboards and tour communications as the event date approaches to anticipate how final results will be confirmed.
Several catalysts can shift prices before resolution. Recent player form, injury reports, and course conditions leading up to the tournament will influence trader positioning. Weather forecasts, practice round performances, and any changes to the field can trigger repricing. Media coverage highlighting one player's momentum or another's struggles often drives trading activity. Additionally, real-time scoring updates during the first round itself will cause rapid price movements as traders react to how each golfer actually performs on the course, making this market highly dynamic on tournament day.