TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 18, 11:10 AM EST
Polymarket
This market refers to the tennis match between Alec Deckers and Tiago Cacao in the M25 Sintra, Main Draw, originally scheduled for September 18, 2026 at 6:30AM ET. This market will resolve to 'Alec Deckers' if Alec Deckers advances against Tiago Cacao. This market will resolve to 'Tiago Cacao' if Tiago Cacao advances against Alec Deckers. 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 Alec Deckers and Tiago Cacao in the M25 Sintra, Main Draw, originally scheduled for September 18, 2026 at 6:30AM ET. This market will resolve to 'Alec Deckers' if Alec Deckers advances against Tiago Cacao. This market will resolve to 'Tiago Cacao' if Tiago Cacao advances against Alec Deckers. 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.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, and can sometimes differ from traditional sportsbook odds. Sportsbooks set their lines based on models and internal analysis, while this market is driven by individuals willing to put their capital behind their beliefs. If a significant number of traders believe a sportsbook is undervaluing a particular outcome, they may drive the price on Polymarket in the opposite direction. It's common to see discrepancies, especially before a lot of information is publicly available, or when there’s strong public sentiment influencing both.
This market resolves around Sep 25, 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 M25 Sintra match between Alec Deckers and Tiago Cacao. The platform will verify the outcome against publicly available sources to determine the winning outcome for this market. Traders will then be able to claim their winnings or adjust their positions based on the final result.
Several factors could influence the price of this market before it resolves. Any news regarding the physical condition of either Alec Deckers or Tiago Cacao, such as injuries or illness, could significantly shift the odds. Public announcements about training regimens, strategic changes, or even weather conditions at the event location could also impact trader sentiment. Unexpected upsets in other related competitions or changes in expert analysis could also contribute to movement in this market, as traders react to new information and adjust their predictions.