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: Sep 5, 2:48 PM EST
Polymarket
This market refers to the doubles tennis match between Jebens/Reyes and Granollers/Zeballos in the US Open ATP, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Jebens/Reyes' if the team of Jebens/Reyes advances against Granollers/Zeballos. This market will resolve to 'Granollers/Zeballos' if the team of Granollers/Zeballos advances against Jebens/Reyes. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Jebens/Reyes and Granollers/Zeballos in the US Open ATP, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Jebens/Reyes' if the team of Jebens/Reyes advances against Granollers/Zeballos. This market will resolve to 'Granollers/Zeballos' if the team of Granollers/Zeballos advances against Jebens/Reyes. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market allows traders to express their own beliefs about the outcome. It's common to see discrepancies, especially as new information emerges or public opinion shifts. Analyzing these differences can sometimes reveal insights into how the public perceives the likelihood of various results in the US Open doubles match.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of these shares directly reflects the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price fluctuates based on supply and demand, driven by new information and traders’ evolving perspectives on the Jebens/Reyes vs Granollers/Zeballos match. This dynamic pricing allows for real-time assessment of expectations.
This market resolves around Sep 11, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the US Open doubles match between Jebens/Reyes and Granollers/Zeballos. The platform will verify the winner and settle the market accordingly. Traders should monitor official sources for the final result to understand how this market will be settled.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or updates on team strategies could impact trader sentiment. Strong performances by either team in preceding matches, or even expert analysis predicting a particular outcome, could also drive price movements. Unexpected upsets in other matches at the US Open might also indirectly affect perceptions of these players’ chances, leading to changes in volume and price.