TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 21, 4:41 PM EST
Polymarket
This market refers to the tennis match between Madison Rose and Duru Soke in the W50 Berkeley, CA, Qualifying, originally scheduled for September 21, 2026 at 2:00PM ET. This market will resolve to 'Madison Rose' if Madison Rose advances against Duru Soke. This market will resolve to 'Duru Soke' if Duru Soke advances against Madison Rose. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Madison Rose and Duru Soke in the W50 Berkeley, CA, Qualifying, originally scheduled for September 21, 2026 at 2:00PM ET. This market will resolve to 'Madison Rose' if Madison Rose advances against Duru Soke. This market will resolve to 'Duru Soke' if Duru Soke advances against Madison Rose. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Often, prediction market odds reflect a different set of information and incentives than those found at traditional sportsbooks. Sportsbooks typically set odds based on statistical models and public perception, while this market aggregates the wisdom of the crowd, allowing traders to incorporate a wider range of factors. This can lead to differences in probabilities, especially when there's insider information or a strong contrarian view among traders. It’s common to see discrepancies, particularly as new information emerges closer to the event date.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of a particular outcome. The price of a share directly reflects the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market's price fluctuates based on supply and demand, driven by the collective actions of all participants. As more traders believe an outcome is likely, the price of shares representing that outcome will increase, and vice versa. This dynamic pricing ensures the market reflects the most up-to-date collective intelligence.
This market resolves around Sep 28, 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 W50 Berkeley fight, as declared by the event organizers. The platform will verify the result against publicly available sources to ensure accuracy and transparency. Traders will then be able to claim their winnings or adjust their positions based on the final outcome. It’s important to monitor news sources leading up to and following the event for updates.
Several factors could influence the price of shares in this market. Any news regarding the fighters’ training, health, or potential injuries could significantly shift probabilities. Public statements from either fighter or their teams, changes in betting odds at sportsbooks, and even social media sentiment could all act as catalysts. Unexpected developments in the lead-up to the fight, such as a change in venue or a shift in the fight’s rules, could also cause the market to react. Monitoring these signals will be key to understanding potential price movements.