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 20, 7:05 PM EST
Polymarket
This market refers to the tennis match between Jared Horwood and Joao Mendes in the M25 Setubal, Qualifying, originally scheduled for September 20, 2026 at 6:00AM ET. This market will resolve to 'Jared Horwood' if Jared Horwood advances against Joao Mendes. This market will resolve to 'Joao Mendes' if Joao Mendes advances against Jared Horwood. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 Jared Horwood and Joao Mendes in the M25 Setubal, Qualifying, originally scheduled for September 20, 2026 at 6:00AM ET. This market will resolve to 'Jared Horwood' if Jared Horwood advances against Joao Mendes. This market will resolve to 'Joao Mendes' if Joao Mendes advances against Jared Horwood. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 a wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and incorporate a profit margin, while this market represents the aggregated beliefs of many individual traders. If a significant discrepancy exists between prediction market probabilities and sportsbook odds, it may indicate differing perspectives on the players' chances or an opportunity for arbitrage. However, it's important to remember that both represent probabilities, and neither guarantees the actual outcome of the Setubal tennis match.
This market resolves around Sep 27, 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 Setubal tennis match between Jared Horwood and Joao Mendes. The platform will verify the winner based on publicly available sources such as official tournament websites and sports news outlets. Any disputes will be handled according to Polymarket’s market resolution guidelines, ensuring a fair and transparent outcome for all participants in this market.
Several factors could influence the trading activity in this market leading up to the resolution date. News regarding player injuries, changes in playing conditions, or even shifts in public sentiment could all cause the odds to move. Unexpected upsets in other matches involving these players, or even general tennis news, could also impact trader confidence. Any significant information that alters the perceived probability of either player winning the Setubal tennis match is likely to be reflected in the price of shares on Polymarket.