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 18, 5:50 AM EST
Polymarket
This market refers to the tennis match between Anastasiia Sobolieva and Laura Samson in the Ljubljana, originally scheduled for September 17, 2026 at 4:00AM ET. This market will resolve to 'Anastasiia Sobolieva' if Anastasiia Sobolieva advances against Laura Samson. This market will resolve to 'Laura Samson' if Laura Samson advances against Anastasiia Sobolieva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Anastasiia Sobolieva and Laura Samson in the Ljubljana, originally scheduled for September 17, 2026 at 4:00AM ET. This market will resolve to 'Anastasiia Sobolieva' if Anastasiia Sobolieva advances against Laura Samson. This market will resolve to 'Laura Samson' if Laura Samson advances against Anastasiia Sobolieva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 WTA Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines based on statistical models and expert analysis, while this market allows anyone to participate and express their beliefs. This can lead to discrepancies, particularly as new information emerges or public sentiment shifts. It's common to see prediction markets react more quickly to breaking news or unexpected developments than sportsbooks, potentially offering a more up-to-date assessment of the likely outcome.
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 people 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 all participants, creating a dynamic and evolving forecast for the Sobolieva vs Samson match.
This market resolves around Sep 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be based on the official result of the Sobolieva vs Samson match as determined by the governing sporting body. The platform will then verify this information and finalize the market, distributing payouts to those who correctly predicted the outcome. Traders should monitor official sources for the final result to understand how this market will be settled.
Several factors could influence the price of this market. Any news regarding player injuries, changes in coaching strategies, or even weather conditions could shift trader sentiment. Unexpected results in other matches involving either player could also impact the perceived likelihood of their success. Public statements from analysts or experts offering opinions on the match could also create movement. Ultimately, any information that alters the perceived probability of either athlete winning will likely be reflected in the trading activity and price fluctuations of this market.