TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 14, 3:09 PM EST
Polymarket
This market refers to the tennis match between Quinn Vandecasteele and Bryce Nakashima in the Tiburon, USA, Qualifying, originally scheduled for September 14, 2026 at 1:00PM ET. This market will resolve to 'Quinn Vandecasteele' if Quinn Vandecasteele advances against Bryce Nakashima. This market will resolve to 'Bryce Nakashima' if Bryce Nakashima 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 September 28, 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 Bryce Nakashima in the Tiburon, USA, Qualifying, originally scheduled for September 14, 2026 at 1:00PM ET. This market will resolve to 'Quinn Vandecasteele' if Quinn Vandecasteele advances against Bryce Nakashima. This market will resolve to 'Bryce Nakashima' if Bryce Nakashima 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 September 28, 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 wisdom of the crowd, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on their own models and risk management, while this market aggregates the beliefs of many individual traders. If a significant difference emerges between prediction market probabilities and sportsbook odds, it could suggest that the market identifies information not yet fully incorporated by sportsbooks. However, it’s important to remember that both represent probabilities of an outcome, and discrepancies can occur due to varying factors and information access.
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 probability of that outcome occurring. As more traders buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price reflects the collective intelligence of the traders participating, and the volume traded indicates the level of confidence in those predictions. This dynamic pricing ensures the market stays responsive to new information and changing sentiment.
This market resolves around Sep 21, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result of the Vandecasteele vs Nakashima match will be used to determine the winning outcome. It's important to note that the resolution process relies on publicly available and verifiable information to ensure a fair and accurate settlement. Traders should monitor reliable sports news sources for updates as the resolution date approaches, as these will be the basis for determining the market’s outcome.
Several factors could influence the price of this market before Sep 21, 2026. Any news regarding player injuries, changes in playing conditions, or significant performance updates for either Quinn Vandecasteele or Bryce Nakashima could shift trader sentiment. Unexpected announcements about team strategies or coaching decisions might also impact predictions. Furthermore, broader trends in the sport or changes in public perception of the players’ form could lead to fluctuations in the market. Monitoring these signals will be key to understanding potential price movements in this market.