TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 24, 8:00 AM EST
Polymarket
This market refers to the tennis match between Andrey Rublev and Sebastian Baez in the Swedish Open, originally scheduled for July 17, 2026 at 8:00AM ET. This market will resolve to 'Andrey Rublev' if Andrey Rublev advances against Sebastian Baez. This market will resolve to 'Sebastian Baez' if Sebastian Baez advances against Andrey Rublev. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Andrey Rublev and Sebastian Baez in the Swedish Open, originally scheduled for July 17, 2026 at 8:00AM ET. This market will resolve to 'Andrey Rublev' if Andrey Rublev advances against Sebastian Baez. This market will resolve to 'Sebastian Baez' if Sebastian Baez advances against Andrey Rublev. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance their book and manage risk, while prediction markets aggregate the beliefs of traders risking real capital. For this match, comparing this market's implied probability to major sportsbooks can reveal where the crowd on Polymarket sees value or disagreement. Prediction markets tend to be efficient when volume is high and participants have strong information.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price of each share reflects the collective assessment of all traders. As more capital flows toward one outcome, its price rises and the opposing outcome's price falls, creating a dynamic equilibrium that updates instantly with every trade.
This market resolves around Jul 24, 2026, once the Swedish Open match between the two players concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the contest. Resolution typically follows within hours of the final point, allowing traders to settle their positions based on the confirmed winner.
Key catalysts include recent player form, head-to-head records, court surface performance, and injury reports leading up to the match. Tournament seeding, draw position, and momentum from earlier rounds can shift trader sentiment. Weather conditions on match day and pre-match commentary from analysts may also influence odds. Real-time developments during the match itself—such as early set outcomes or visible fatigue—typically drive the most dramatic price swings as traders adjust their positions.