TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 18, 3:20 PM EST
Kalshi
In a 3-ball golf competition during the first round of the 2026 U.S. Open, three golfers compete together and the player with the lowest score wins the matchup. This market tracks whether Graeme McDowell, Keith Mitchell, or Patrick Rodgers finishes with the best score in their grouping.
The winner of each 3-ball matchup is determined by the lowest score recorded 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 divided by the number of tied players, rounded down to the nearest cent. 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 and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven by traders risking real capital on their beliefs about the outcome. This market may price the matchup differently than major sportsbooks, particularly as new information surfaces or as the tournament approaches. Comparing the two can reveal where informed traders see value that bookmakers have mispriced.
On Kalshi, this market is priced through continuous order-book trading, where buyers and sellers submit bids and offers that determine the real-time probability for each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders can enter or exit positions at any time before the market closes, and the price you see reflects the most recent consensus among active participants. The spread between bid and ask widens or narrows based on liquidity and conviction, so tighter spreads typically signal stronger agreement on the likely result.
This market resolves around Jun 18, 2026, once the first-round 3-Ball competition concludes and results are verified against credible public sources. The outcome is determined by the official tournament scoring and leaderboard data released by the PGA Tour. Until that point, traders can adjust positions based on live play, course conditions, and any other factors that might influence the final standing of the three competitors in this grouping.
Several factors could shift this market significantly before resolution. Recent form and head-to-head records may influence trader positioning as the event nears. Weather conditions at the course, course setup changes, and any player injuries or withdrawals announced before the round begins could trigger sharp repricing. Live scoring during the round itself will drive the most dramatic moves, as traders react to each shot and adjust their assessments of who is most likely to finish ahead in the grouping.