TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 16, 10:06 PM EST
Polymarket
This market refers to the doubles tennis match between Martins/Ortenzi and Navarro/Rodriguez in the Sao Paulo Open, originally scheduled for September 15, 2026 at 9:00AM ET. This market will resolve to 'Martins/Ortenzi' if the team of Martins/Ortenzi advances against Navarro/Rodriguez. This market will resolve to 'Navarro/Rodriguez' if the team of Navarro/Rodriguez advances against Martins/Ortenzi. 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 Martins/Ortenzi and Navarro/Rodriguez in the Sao Paulo Open, originally scheduled for September 15, 2026 at 9:00AM ET. This market will resolve to 'Martins/Ortenzi' if the team of Martins/Ortenzi advances against Navarro/Rodriguez. This market will resolve to 'Navarro/Rodriguez' if the team of Navarro/Rodriguez advances against Martins/Ortenzi. 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.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and risk management, while this market aggregates individual predictions. Discrepancies can arise due to differing information, biases, or simply a larger sample size of informed opinions within the prediction market. Examining these differences can provide valuable insights into where the crowd believes there is an edge, or where the sportsbook may have mispriced the probability of an outcome.
On Polymarket, this market is priced through a continuous trading mechanism where users 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. As more traders participate and new information becomes available, the price adjusts to reflect the evolving consensus. The market’s depth and volume indicate the level of confidence and activity surrounding the Sao Paulo Open doubles match. Traders are constantly evaluating the potential for Martins/Ortenzi or Navarro/Rodriguez to win.
This market resolves around Sep 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Sao Paulo Open doubles match between Martins/Ortenzi and Navarro/Rodriguez. The winning team, as determined by the official tournament organizers, will dictate the settlement of this market. Traders will be able to see the final result and how their predictions aligned with the actual event outcome shortly after the match concludes.
Several factors could influence the price of this market before the Sep 22, 2026 resolution. Any news regarding player injuries, changes in playing conditions, or updated match analysis from tennis experts could shift trader sentiment. Unexpected results in earlier rounds of the tournament, or even weather forecasts impacting the match schedule, could also play a role. Furthermore, significant trading volume from informed participants could indicate a shift in expectations, causing the odds to adjust accordingly. Monitoring these signals will be key to understanding potential market movements.