TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 10, 6:56 AM EST
Polymarket
This market refers to the tennis match between Miguel Semedo and Gian Luca Tanner in the M25 Sintra, Main Draw, originally scheduled for September 10, 2026 at 5:00AM ET. This market will resolve to 'Miguel Semedo' if Miguel Semedo advances against Gian Luca Tanner. This market will resolve to 'Gian Luca Tanner' if Gian Luca Tanner advances against Miguel Semedo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 24, 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 Miguel Semedo and Gian Luca Tanner in the M25 Sintra, Main Draw, originally scheduled for September 10, 2026 at 5:00AM ET. This market will resolve to 'Miguel Semedo' if Miguel Semedo advances against Gian Luca Tanner. This market will resolve to 'Gian Luca Tanner' if Gian Luca Tanner advances against Miguel Semedo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 24, 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.
Generally, prediction market odds often reflect a wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and need to account for profit margins, while this market relies on the collective insights of traders. If sportsbook odds significantly diverge from those seen here, it could indicate disagreement about the true probability of an outcome. It's important to note that prediction markets can sometimes offer more accurate predictions, especially when there's substantial trading volume.
This market resolves around Sep 17, 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 Miguel Semedo and Gian Luca Tanner. The platform will rely on publicly available sources to determine the winner, or if the match ends in a draw. Traders will then be able to claim their winnings based on the final result.
Several factors could influence the price of shares in this market. Any news regarding player form, injuries, or changes in playing conditions could shift trader sentiment. Unexpected announcements about the match schedule or venue could also have an impact. Furthermore, significant betting activity from well-informed traders could signal new information or a change in expectations. Monitoring these signals will be key to understanding how this market evolves leading up to the Sep 17, 2026 resolution.