TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 16, 3:33 PM EST
Polymarket
This market refers to the tennis match between Nauhany Leme Da Silva and Astra Sharma in the Sao Paulo Open, originally scheduled for September 14, 2026 at 9:00AM ET. This market will resolve to 'Nauhany Leme Da Silva' if Nauhany Leme Da Silva advances against Astra Sharma. This market will resolve to 'Astra Sharma' if Astra Sharma advances against Nauhany Leme Da Silva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 tennis match between Nauhany Leme Da Silva and Astra Sharma in the Sao Paulo Open, originally scheduled for September 14, 2026 at 9:00AM ET. This market will resolve to 'Nauhany Leme Da Silva' if Nauhany Leme Da Silva advances against Astra Sharma. This market will resolve to 'Astra Sharma' if Astra Sharma advances against Nauhany Leme Da Silva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 a different perspective than traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market is driven purely by the collective predictions of traders. If a significant number of traders believe an outcome is more likely than sportsbooks suggest, the odds on Polymarket will shift accordingly. This can sometimes lead to discrepancies, offering potential value for informed traders who identify mispriced probabilities based on their own analysis or insights into the players involved in the Sao Paulo Open match.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the likelihood of each 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 express their views, the market price adjusts to represent the collective wisdom of the crowd. This dynamic pricing means the odds are constantly evolving based on new information and changing sentiment surrounding the Sao Paulo Open match.
This market resolves around Sep 21, 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 match between Nauhany Leme Da Silva and Astra Sharma, as determined by the tournament organizers. The market will determine which player won the match, and that result will be used to settle all outstanding shares on Polymarket. Traders should monitor official sources for the final result to understand when the market will be finalized.
Several factors could influence the price of this market before the Sep 21, 2026 resolution. Any news regarding player form, injuries, or changes to playing conditions could significantly shift trader sentiment. Unexpected upsets in earlier rounds of the Sao Paulo Open, or even weather forecasts impacting the match schedule, could also cause movement. Furthermore, large trades on Polymarket by influential traders could create short-term price fluctuations, reflecting a change in perceived probability for the match between Nauhany Leme Da Silva and Astra Sharma.