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, 3:40 PM EST
Kalshi
Three professional golfers compete in a 3-ball format during the first round of the 2026 U.S. Open, with the player posting the lowest score declared the winner of the matchup.
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 multiple participants tie for the lowest score at the end of the round, 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 prior to 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 odds to balance action and lock in profit margins, while prediction markets price outcomes based on trader belief and capital allocation. This market may show tighter spreads or different implied probabilities than major sportsbooks, especially as new data surfaces closer to tee time. Comparing the two can reveal where consensus differs and highlight potential value opportunities.
On Kalshi, this market is priced through continuous order-book trading, where buyers and sellers submit bids and offers for each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The platform matches trades in real time, and the last executed price becomes the market quote. Traders can enter limit orders to target specific price levels or use market orders for immediate execution. Kalshi's transparent fee structure and regulatory framework mean all pricing is visible on-chain, giving participants confidence in fair price discovery.
This market resolves around Jun 18, 2026, once the 1st round of the PGA Tour event concludes and official scoring is finalized. The outcome will be verified against credible public sources to confirm which player in the threesome recorded the lowest score. Resolution typically occurs within hours of the final group finishing play. Traders should monitor official tour communications and leaderboard updates as the event unfolds to anticipate the settlement.
Market prices may shift based on recent player form, course conditions, and weather forecasts leading up to the event. Injury announcements or late withdrawals could trigger sharp repricing. Real-time scoring updates during the round itself will drive significant volatility, as traders react to live performance. Pre-round commentary from analysts, betting syndicates, or professional tours can also influence sentiment. Tracking player practice rounds and caddie changes may reveal edge opportunities before the market fully prices in available information.