TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 18, 10:00 PM EST
Polymarket
This market refers to the doubles tennis match between Stoiana/Valdmannova and Dang/You in the Sao Paulo Open, originally scheduled for September 18, 2026 at 4:30PM ET. This market will resolve to 'Stoiana/Valdmannova' if the team of Stoiana/Valdmannova advances against Dang/You. This market will resolve to 'Dang/You' if the team of Dang/You advances against Stoiana/Valdmannova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Stoiana/Valdmannova and Dang/You in the Sao Paulo Open, originally scheduled for September 18, 2026 at 4:30PM ET. This market will resolve to 'Stoiana/Valdmannova' if the team of Stoiana/Valdmannova advances against Dang/You. This market will resolve to 'Dang/You' if the team of Dang/You advances against Stoiana/Valdmannova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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 WTA Tour. A consensus of credible reporting may also be used.
Currently, prediction market odds often reflect a similar outlook to those found at sportsbooks, though discrepancies can emerge. Sportsbooks establish lines based on statistical models and expert analysis, while this market’s odds are driven by the collective wisdom of traders. If a significant number of traders believe a different outcome is more likely than sportsbooks suggest, the price will adjust accordingly. It’s common to see prediction markets offer more competitive odds, especially as the event approaches and more information becomes available.
This market resolves around Sep 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Sao Paulo Open doubles match between Stoiana/Valdmannova and Dang/You. The winning pair, as declared by the tournament organizers, will determine the outcome of this market. Any potential delays or disputes regarding the official result will be addressed based on available information from authoritative sources.
Several factors could influence trading activity and shift the odds in this market. News regarding player injuries, changes in playing conditions, or even updated rankings could all impact trader sentiment. Unexpected performance in earlier rounds of the tournament for either team could also cause a reassessment of their chances. Furthermore, any significant betting activity observed in traditional sportsbooks might prompt traders on Polymarket to adjust their positions, leading to price fluctuations. Monitoring these signals will be key to understanding how this market evolves.