TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 27, 7:48 PM EST
Polymarket
This market refers to the tennis match between Quinn Vandecasteele and Preston Stearns in the Columbus, USA, Qualifying, originally scheduled for September 27, 2026 at 2:40PM ET. This market will resolve to 'Quinn Vandecasteele' if Quinn Vandecasteele advances against Preston Stearns. This market will resolve to 'Preston Stearns' if Preston Stearns advances against Quinn Vandecasteele. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 11, 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 Quinn Vandecasteele and Preston Stearns in the Columbus, USA, Qualifying, originally scheduled for September 27, 2026 at 2:40PM ET. This market will resolve to 'Quinn Vandecasteele' if Quinn Vandecasteele advances against Preston Stearns. This market will resolve to 'Preston Stearns' if Preston Stearns advances against Quinn Vandecasteele. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 11, 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.
Often, prediction market odds reflect a different perspective than traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market relies on the collective wisdom of traders. If a significant number of traders believe a sportsbook’s odds are inaccurate, they can drive the price on Polymarket in a different direction. It’s common to see discrepancies, especially when public sentiment strongly favors one outcome, or when new information emerges that hasn’t been fully priced into sportsbook lines.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the likelihood of each outcome. As more shares are purchased for a particular outcome, its price increases, reflecting a higher implied probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of shares is determined by supply and demand, meaning the market dynamically adjusts to new information and changing opinions. This creates a real-time assessment of the potential result of the Vandecasteele vs Stearns match.
This market resolves around Oct 4, 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 Vandecasteele vs Stearns match as reported by the governing body. Traders will then be able to claim their winnings based on the final outcome. It’s important to monitor the event closely as Oct 4, 2026 approaches to understand any potential factors that could influence the final result.
Several signals could influence this market before it resolves. Any news regarding player injuries, changes in coaching strategies, or unexpected performance in prior matches could shift trader sentiment. Public announcements about the players’ physical condition or training regimens could also play a role. Furthermore, significant betting activity from well-informed traders could indicate a shift in expectations, causing the price of shares to move accordingly. Monitoring these factors will be key to understanding potential changes in this market.