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, 12:20 PM EST
Polymarket
This market refers to the tennis match between Beatriz Dias and Catarina Melleiro in the W15 Sao Luis, Main Draw, originally scheduled for September 16, 2026 at 10:00AM ET. This market will resolve to 'Beatriz Dias' if Beatriz Dias advances against Catarina Melleiro. This market will resolve to 'Catarina Melleiro' if Catarina Melleiro advances against Beatriz Dias. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 30, 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 Beatriz Dias and Catarina Melleiro in the W15 Sao Luis, Main Draw, originally scheduled for September 16, 2026 at 10:00AM ET. This market will resolve to 'Beatriz Dias' if Beatriz Dias advances against Catarina Melleiro. This market will resolve to 'Catarina Melleiro' if Catarina Melleiro advances against Beatriz Dias. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 30, 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.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market is driven by individuals willing to put their capital behind their beliefs. Discrepancies can arise due to differing information access, biases, or simply varying interpretations of the same data. It’s common to see prediction markets incorporate information more quickly than sportsbooks, especially in response to breaking news or late-developing insights.
This market resolves around Sep 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on the official result of the W15 Sao Luis tennis match between Beatriz Dias and Catarina Melleiro. The market will determine whether the match was completed or not, based on official tournament records and reporting. Any disputes or ambiguities will be resolved using publicly available information regarding the match’s progression and final result.
Several factors could influence trading activity in this market before Sep 23, 2026. News regarding player injuries, changes in weather conditions affecting play, or even updates on player form could all shift trader sentiment. Unexpected results in other matches involving these players could also impact expectations. Furthermore, any significant betting activity or large trades on Polymarket could cause noticeable price movements, reflecting a change in perceived probabilities as traders react to new information or adjust their strategies.