TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 18, 2:20 PM EST
Kalshi
These markets track whether specific professional golfers will record an eagle (two strokes under par on a single hole) during the first round of the 2026 U.S. Open golf tournament. An eagle is a relatively rare achievement in professional golf, requiring an exceptional shot or series of shots on a given hole.
Each market resolves to Yes if the designated golfer records an eagle at any point during Round 1 of the 2026 U.S. Open. An eagle is defined as completing a hole in two strokes under the hole's par. Resolution is based on official PGA scoring records for the tournament. If a golfer does not record an eagle during Round 1, their corresponding market resolves to No. These markets are independent; a Yes resolution for one golfer does not affect the outcome of markets for other golfers. Multiple golfers may record eagles in Round 1, potentially resulting in Yes resolutions across multiple markets simultaneously.
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 decentralized trader beliefs through continuous price discovery. This market aggregates real-money forecasts from diverse participants, which can reveal signals that traditional sportsbooks lag in pricing. Comparing the two venues highlights where consensus is strongest and where contrarian opportunities may exist.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell shares representing yes or no outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective probability estimate of all active participants. As new information emerges or trader sentiment shifts, bids and asks adjust in real time, and the last traded price becomes the market's current odds. Liquidity and trading volume directly influence how quickly prices respond to new developments.
This market resolves around Jul 5, 2026, once the first round of the U.S. Open concludes and outcomes are verifiable from credible public sources. The resolution hinges on whether at least one eagle is recorded during Round 1 play. Official tournament scoring and leaderboard data serve as the reference point for determining the final outcome. Traders should monitor official U.S. Open communications and live scoring feeds as the event date approaches.
Key catalysts include weather forecasts and course conditions, which directly affect scoring difficulty and eagle probability. Announcements regarding player field composition, course setup changes, or pin placements can shift expectations. Real-time scoring updates during Round 1 will drive sharp price movements as traders react to live play. Additionally, historical eagle frequency data from recent U.S. Open tournaments and pre-tournament player form reports may influence early positioning in this market.