TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 9, 11:04 AM EST
Polymarket
This market refers to the tennis match between Artem Alekseychuk and Miguel Semedo in the M25 Sintra, Main Draw, originally scheduled for September 9, 2026 at 6:30AM ET. This market will resolve to 'Artem Alekseychuk' if Artem Alekseychuk advances against Miguel Semedo. This market will resolve to 'Miguel Semedo' if Miguel Semedo advances against Artem Alekseychuk. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 Artem Alekseychuk and Miguel Semedo in the M25 Sintra, Main Draw, originally scheduled for September 9, 2026 at 6:30AM ET. This market will resolve to 'Artem Alekseychuk' if Artem Alekseychuk advances against Miguel Semedo. This market will resolve to 'Miguel Semedo' if Miguel Semedo advances against Artem Alekseychuk. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 differing from those set by traditional sportsbooks. Sportsbooks establish lines based on statistical models and expert analysis, while this market aggregates insights from individuals with varying levels of knowledge. Discrepancies can arise due to differing information, biases, or simply the dynamics of supply and demand within the prediction market. It’s common to see prediction markets react more quickly to new information than sportsbooks, leading to potential differences in implied probabilities.
This market resolves around Sep 16, 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 Artem Alekseychuk and Miguel Semedo. The platform will verify the result against reliable sources to determine the winning outcome. Traders will then be able to claim their winnings or adjust their positions based on the final result of the competition.
Several factors could influence trading activity and shift the odds in this market. Any news regarding the players’ form, injuries, or changes in their training regimes could impact trader sentiment. Unexpected announcements about match conditions or potential rule changes could also contribute to price movements. Furthermore, significant bets from informed traders or large volume spikes could signal shifts in market expectations. Public opinion and analysis from sports commentators might also play a role in influencing how traders assess the likelihood of each outcome.