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, 11:56 AM EST
Polymarket
This market refers to the tennis match between Julia Konishi Camargo Silva and Catarina Melleiro in the W15 Sao Luis, Main Draw, originally scheduled for September 18, 2026 at 9:30AM ET. This market will resolve to 'Julia Konishi Camargo Silva' if Julia Konishi Camargo Silva advances against Catarina Melleiro. This market will resolve to 'Catarina Melleiro' if Catarina Melleiro advances against Julia Konishi Camargo Silva. 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 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Julia Konishi Camargo Silva and Catarina Melleiro in the W15 Sao Luis, Main Draw, originally scheduled for September 18, 2026 at 9:30AM ET. This market will resolve to 'Julia Konishi Camargo Silva' if Julia Konishi Camargo Silva advances against Catarina Melleiro. This market will resolve to 'Catarina Melleiro' if Catarina Melleiro advances against Julia Konishi Camargo Silva. 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 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd, often incorporating information and analysis beyond what’s readily available to traditional sportsbooks. While sportsbooks set initial lines based on statistical models and expert opinions, this market allows anyone to participate and express their views, potentially leading to odds that differ from those found at sportsbooks. These differences can arise from unique insights or a different assessment of the players’ form and potential for success in the Sao Luis tennis match. It’s a fascinating comparison to observe.
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 these shares 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 in a particular outcome, the higher the price of its corresponding shares will climb, and vice versa. This dynamic pricing ensures that the market odds are constantly updated based on the latest information and collective intelligence.
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 W15 Sao Luis tennis match between Julia Konishi Camargo Silva and Catarina Melleiro. The platform will verify the final score and declare the winning outcome based on publicly available and reliable sources. Traders who correctly predicted the outcome will be eligible to receive their payout based on the final market odds at the time of resolution.
Several factors could influence the trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could all impact trader sentiment. Unexpected upsets in other matches involving these players, or even broader shifts in the overall tennis landscape, could also contribute to movement. Furthermore, significant trading volume from informed participants could quickly alter the probabilities reflected in this market for the Sao Luis tennis match.