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 18, 5:31 PM EST
Polymarket
This market refers to the tennis match between Juan Sebastian Osorio and Pedro Sakamoto in the M15 Belém, Main Draw, originally scheduled for September 18, 2026 at 2:00PM ET. This market will resolve to 'Juan Sebastian Osorio' if Juan Sebastian Osorio advances against Pedro Sakamoto. This market will resolve to 'Pedro Sakamoto' if Pedro Sakamoto advances against Juan Sebastian Osorio. 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 Juan Sebastian Osorio and Pedro Sakamoto in the M15 Belém, Main Draw, originally scheduled for September 18, 2026 at 2:00PM ET. This market will resolve to 'Juan Sebastian Osorio' if Juan Sebastian Osorio advances against Pedro Sakamoto. This market will resolve to 'Pedro Sakamoto' if Pedro Sakamoto advances against Juan Sebastian Osorio. 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and often incorporate a profit margin, while this market is driven by individuals willing to put their capital behind their beliefs. If prediction market participants have access to information or insights that sportsbooks haven't fully accounted for, you might see discrepancies. It’s common to observe that prediction markets are more accurate than traditional forecasts, especially when there’s significant public interest and active trading in this market.
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 M15 Belém match between Juan Sebastian Osorio and Pedro Sakamoto. The platform will verify the result against established sports data sources to determine the winning outcome. Traders holding shares in the correct outcome will be entitled to a payout based on the final share price at the time of resolution. The process is designed to be transparent and reliable.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly impact the perceived probabilities. Unexpected announcements related to the tournament itself, such as venue changes or rule modifications, could also cause movement. Furthermore, large trades by influential participants or shifts in broader public sentiment regarding the players’ chances could drive price fluctuations. Monitoring these signals will be key to understanding how this market evolves leading up to Sep 25, 2026.