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: Sep 17, 9:47 AM EST
Polymarket
This market refers to the doubles tennis match between Kestelboim/Romboli and Paulson/Pereira in the Szczecin, originally scheduled for September 17, 2026 at 8:30AM ET. This market will resolve to 'Kestelboim/Romboli' if the team of Kestelboim/Romboli advances against Paulson/Pereira. This market will resolve to 'Paulson/Pereira' if the team of Paulson/Pereira advances against Kestelboim/Romboli. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 1, 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 Kestelboim/Romboli and Paulson/Pereira in the Szczecin, originally scheduled for September 17, 2026 at 8:30AM ET. This market will resolve to 'Kestelboim/Romboli' if the team of Kestelboim/Romboli advances against Paulson/Pereira. This market will resolve to 'Paulson/Pereira' if the team of Paulson/Pereira advances against Kestelboim/Romboli. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 1, 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.
Comparing prediction market odds to sportsbook odds reveals how the wisdom of the crowd differs from professional oddsmakers. Often, prediction markets can offer different probabilities, especially as new information emerges or public sentiment shifts. Sportsbooks set initial lines based on statistical models and expert analysis, while this market reflects the collective beliefs of many individual traders. Discrepancies can present opportunities for arbitrage, where traders attempt to profit from the difference in pricing between the two.
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 a share directly reflects the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders believe an outcome is likely, the higher the share price will climb, and vice versa. This dynamic pricing ensures the market reflects the most up-to-date information and collective intelligence available.
This market resolves around Sep 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official results of the Szczecin doubles match between Kestelboim/Romboli and Paulson/Pereira. The winning pair as determined by the official tournament organizers will be the determining factor for settlement. Traders will then be able to claim their winnings or adjust their strategies based on the final result.
Several signals could significantly move this market before resolution. Any news regarding player injuries, changes in playing conditions, or even updated rankings could influence trader sentiment. Unexpected performance in preceding matches or strong statements from analysts could also shift the odds. Furthermore, large-volume trades on Polymarket from informed traders might indicate a change in perceived probabilities, causing a ripple effect throughout the market. Monitoring these factors is key to understanding potential price movements.