TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 18, 7:01 PM EST
Polymarket
This market refers to the tennis match between Quinn Vandecasteele and Michael Antonius in the Fort Worth, USA, Qualifying, originally scheduled for October 18, 2026 at 2:20PM ET. This market will resolve to 'Quinn Vandecasteele' if Quinn Vandecasteele advances against Michael Antonius. This market will resolve to 'Michael Antonius' if Michael Antonius 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 November 1, 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 Michael Antonius in the Fort Worth, USA, Qualifying, originally scheduled for October 18, 2026 at 2:20PM ET. This market will resolve to 'Quinn Vandecasteele' if Quinn Vandecasteele advances against Michael Antonius. This market will resolve to 'Michael Antonius' if Michael Antonius 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 November 1, 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.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market’s pricing is driven by individuals willing to put their capital at risk. It's common to see discrepancies, especially before significant events or when new information emerges. Comparing the two can be a useful exercise for informed decision-making, though it’s important to remember they represent different approaches to forecasting the outcome of the Vandecasteele vs Antonius match.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares in a particular outcome, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price reflects the aggregated sentiment of all participants trading on Polymarket, offering a dynamic assessment of the match’s potential result. The market's price movements are driven by supply and demand for shares.
This market resolves around Oct 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Vandecasteele vs Antonius match in Fort Worth, as determined by the event organizers. The platform will verify the result against established sources to ensure accuracy and transparency. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at the time of resolution. The market will close and payouts will be processed shortly after the official result is available.
Several factors could influence the price of this market before Oct 25, 2026. Any news regarding player form, injuries, or changes in strategy could significantly shift trader sentiment. Unexpected announcements about match conditions or venue changes could also play a role. Public opinion, as reflected in polls or expert analysis, might also impact trading activity. Ultimately, any information that alters the perceived probability of either player winning the Vandecasteele vs Antonius match has the potential to move the market.