TOTAL VOLUME:
$154.8b
24H VOL:
$238,896,186
24H TRANSACTIONS:
2,985,204,718
OPEN INTEREST:
$1,897,934,485
408,127
Markets across
39,552
events
MATCHED EVENTS:
4,429
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 25, 10:19 PM EST
Polymarket
This market refers to the tennis match between Justin Boulais and Sebastian Dominko in the Sioux Falls, USA, Qualifying, originally scheduled for October 25, 2026 at 4:50PM ET. This market will resolve to 'Justin Boulais' if Justin Boulais advances against Sebastian Dominko. This market will resolve to 'Sebastian Dominko' if Sebastian Dominko advances against Justin Boulais. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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 Justin Boulais and Sebastian Dominko in the Sioux Falls, USA, Qualifying, originally scheduled for October 25, 2026 at 4:50PM ET. This market will resolve to 'Justin Boulais' if Justin Boulais advances against Sebastian Dominko. This market will resolve to 'Sebastian Dominko' if Sebastian Dominko advances against Justin Boulais. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in each candidate's chance of winning. The price of a share directly corresponds to the implied probability of that outcome. As more traders buy shares in a particular candidate, the price increases, reflecting growing confidence in their victory. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing ensures that the market odds constantly adapt to new information and changing perspectives on the Sioux Falls mayoral race. The current volume indicates the level of interest and conviction behind these predictions.
This market resolves around Nov 1, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official results announced by the relevant election authorities in Sioux Falls. The candidate who receives the most votes in the election will be declared the winner, and that outcome will be reflected in the market's settlement. Traders who correctly predicted the winner will receive a payout based on the odds at the time of their trade, while those who backed the losing candidate will forfeit their stake.
Several factors could significantly impact this market before the Sioux Falls mayoral race concludes. Major endorsements from influential figures, significant policy announcements from the candidates, and unexpected events during the campaign could all shift voter sentiment and, consequently, market prices. Polling data released in the coming weeks will also be closely watched, as will any debates or public appearances that showcase the candidates' strengths and weaknesses. Any news related to campaign finance or potential controversies could also introduce volatility into this market.