TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 26, 2:39 PM EST
Polymarket
This market refers to the tennis match between Gavin Young and Daniil Ostapenkov in the Sioux Falls, USA, Qualifying, originally scheduled for October 26, 2026 at 12:00PM ET. This market will resolve to 'Gavin Young' if Gavin Young advances against Daniil Ostapenkov. This market will resolve to 'Daniil Ostapenkov' if Daniil Ostapenkov advances against Gavin Young. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Gavin Young and Daniil Ostapenkov in the Sioux Falls, USA, Qualifying, originally scheduled for October 26, 2026 at 12:00PM ET. This market will resolve to 'Gavin Young' if Gavin Young advances against Daniil Ostapenkov. This market will resolve to 'Daniil Ostapenkov' if Daniil Ostapenkov advances against Gavin Young. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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 ATP Tour. A consensus of credible reporting may also be used.
Generally, prediction markets like this one often reflect information beyond what’s captured in traditional sportsbook odds. Sportsbooks primarily consider statistical analysis and expert opinions, while this market incorporates the wisdom of the crowd, potentially factoring in less quantifiable elements like public sentiment and real-time news events. It’s common to see differences emerge, especially as new information becomes available. However, both types of odds aim to represent the probability of a particular outcome, and significant discrepancies can sometimes present opportunities for arbitrage.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of each candidate winning. The price of a share directly corresponds to the implied probability of that outcome. As more people buy shares in a particular candidate, the price increases, reflecting growing confidence. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined entirely by supply and demand, driven by the collective insights of participants trading on the platform.
This market resolves around Nov 2, 2026, with the outcome confirmed once the winner of the Sioux Falls mayoral election is verifiable from credible public reporting. The resolution will be based on the official results announced by the relevant election authorities. The platform will then determine the winning outcome based on those official results, and payouts will be distributed to traders holding shares in the winning candidate. It’s important to note that the resolution process relies on publicly available and independently verifiable information.
Several factors could significantly influence this market. Major endorsements from influential figures or organizations could shift sentiment. Unexpected developments in the candidates' campaigns, such as policy announcements or controversies, could also cause price movements. Public opinion polls released leading up to the election will likely have an impact, as will any significant fundraising reports. Finally, any unforeseen events that affect the candidates' public image or viability could also move this market before Nov 2, 2026.