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 21, 5:22 PM EST
Kalshi
Two professional golfers compete directly against each other throughout the 2026 U.S. Open tournament. The golfer with the better overall score across all rounds wins the head-to-head matchup.
In this head-to-head matchup between Justin Rose and Tyrrell Hatton at the 2026 U.S. Open, the winner is determined by comparing their scores throughout the full tournament. The golfer with the lower cumulative score across all rounds wins the matchup. If the competition is structured as a single-round matchup rather than a full tournament format, only the scores from that specific round will be used to determine the winner, regardless of either golfer's cumulative tournament standing at that point.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate beliefs from traders risking real capital on outcomes. This market may show higher or lower implied probabilities than traditional sportsbooks, depending on which venue's participants have better information or conviction. Comparing the two can reveal where smart money is positioning itself relative to public betting sentiment.
On Kalshi, this market is priced through a continuous order-book mechanism where buyers and sellers trade contracts tied to the outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the last executed trade and the current bid-ask spread, with contracts ranging from 0 to 100 cents based on the implied probability of each outcome. As new trades execute, the price updates in real time, allowing you to enter or exit positions at market rates or place limit orders to wait for your target price.
This market resolves around Jun 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning side will be determined by the official result of the tournament matchup between the two competitors. Once the event concludes and the result is documented, the market will settle and contracts will be paid out accordingly to holders of the correct outcome.
Key catalysts include recent performance data, injury reports, training updates, and head-to-head history between the competitors. Media coverage, expert analysis, and public statements from either participant can shift trader sentiment. Changes in betting patterns at sportsbooks or shifts in social media discussion may also influence this market's price. Closer to the event date, weigh-in results, final odds adjustments, and last-minute news could trigger sharp moves as traders reassess probabilities.