TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 18, 2:40 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 Cooper Dossey, Jackson Herrington, or Nathan Kimsey 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 often diverge from traditional sportsbook lines because they reflect real-time trader sentiment rather than fixed odds set by oddsmakers. On Kalshi, participants continuously adjust prices based on new information, player performance data, and emerging developments. Sportsbooks typically adjust less frequently and factor in their own profit margins. Many traders monitor both venues to identify discrepancies, though prediction markets are generally considered more responsive to breaking news and live updates during events.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell shares representing each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Prices fluctuate based on supply and demand, with each share worth between $0 and $1 at resolution. The current odds reflect the collective assessment of all active traders. As new information surfaces—such as player form, injury reports, or head-to-head records—traders adjust their positions, causing prices to move. This continuous repricing mechanism ensures the market stays responsive to real-world developments.
This market resolves around Jun 18, 2026, once the 3-ball match concludes and the winner is verified against credible public sources. The outcome is determined by the official result of the competition. Traders holding shares in the winning outcome receive their payout, while incorrect predictions expire worthless. The resolution process is automated once the event result becomes publicly available and confirmed through established reporting channels.
Several factors could shift odds in this market before resolution. Recent tournament performance, head-to-head records, and player rankings often influence trader positioning. Injury announcements or withdrawal news would trigger sharp price movements. Changes in playing conditions, bracket updates, or commentary from analysts and experts can also sway sentiment. Live updates during the match itself—such as early round performance or momentum shifts—typically drive the most volatile price swings as traders reassess each competitor's winning chances in real time.