TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 17, 7:44 PM EST
Polymarket
This market refers to the doubles tennis match between Quevedo/Salkova and Riera/Sierra in the Sao Paulo Open, originally scheduled for September 15, 2026 at 9:00AM ET. This market will resolve to 'Quevedo/Salkova' if the team of Quevedo/Salkova advances against Riera/Sierra. This market will resolve to 'Riera/Sierra' if the team of Riera/Sierra advances against Quevedo/Salkova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 29, 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 Quevedo/Salkova and Riera/Sierra in the Sao Paulo Open, originally scheduled for September 15, 2026 at 9:00AM ET. This market will resolve to 'Quevedo/Salkova' if the team of Quevedo/Salkova advances against Riera/Sierra. This market will resolve to 'Riera/Sierra' if the team of Riera/Sierra advances against Quevedo/Salkova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 29, 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set lines based on internal models and may incorporate a profit margin, while this market relies on the collective predictions of traders. If a significant discrepancy exists, it could indicate that the market believes the sportsbook has mispriced the probability of a particular outcome. However, it’s important to remember that both represent probabilities, and neither is guaranteed to be accurate. Comparing them can reveal interesting insights into public perception versus professional analysis.
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 corresponds to 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. As more traders participate and express their views, the price fluctuates, reflecting the evolving consensus. The market’s price is determined solely by supply and demand for these shares, creating a dynamic and responsive pricing system. This allows for a real-time assessment of the perceived likelihood of each team winning the Sao Paulo Open doubles match.
This market resolves around Sep 22, 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 Quevedo/Salkova and Riera/Sierra. The winning team as determined by the official tournament organizers will be the basis for settlement. Traders holding shares in the winning outcome will receive a payout, while those holding shares in the losing outcome will not. The market’s resolution is dependent on the official tournament results being publicly available.
Several factors could influence this market before resolution. Any news regarding player injuries or changes to team lineups would likely cause significant movement. Unexpected performance in preceding matches, or even weather conditions affecting play, could also shift trader sentiment. Furthermore, major upsets in other matches within the Sao Paulo Open could influence perceptions of overall team strength and impact the odds. Public endorsements or analysis from tennis experts, while not directly factored into the market, might indirectly affect trader behavior and thus the price of shares.