TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 18, 11:42 PM EST
Polymarket
This market refers to the tennis match between Liudmila Samsonova and Peyton Stearns in the Guadalajara Open Akron, originally scheduled for September 18, 2026 at 8:30PM ET. This market will resolve to 'Liudmila Samsonova' if Liudmila Samsonova advances against Peyton Stearns. This market will resolve to 'Peyton Stearns' if Peyton Stearns advances against Liudmila Samsonova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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 Liudmila Samsonova and Peyton Stearns in the Guadalajara Open Akron, originally scheduled for September 18, 2026 at 8:30PM ET. This market will resolve to 'Liudmila Samsonova' if Liudmila Samsonova advances against Peyton Stearns. This market will resolve to 'Peyton Stearns' if Peyton Stearns advances against Liudmila Samsonova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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.
Prediction market odds often reflect the wisdom of the crowd, potentially differing from traditional sportsbook odds due to varying information and incentives. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market allows anyone to express their belief about the outcome. Discrepancies can arise from differing levels of expertise among market participants and sportsbooks, or from differing interpretations of available information. It's common to see prediction markets incorporate information faster than sportsbooks, especially in response to breaking news or late-developing insights.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the probability of a particular outcome. The price of a share directly corresponds to 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. As more traders participate and express their views, the price adjusts to reflect the collective assessment of the market. This dynamic pricing ensures that the market odds are constantly updated based on the latest information and sentiment.
This market resolves around Sep 26, 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 Guadalajara Open Akron match between Liudmila Samsonova and Peyton Stearns. The platform will verify the result against established tennis authorities and publicly available match data to determine the winning outcome. Traders will then be able to claim their winnings based on the final result.
Several factors could influence the price of this market before resolution. Any news regarding player injuries, changes in playing conditions, or updated match analyses from tennis experts could shift market sentiment. Unexpected results in other matches involving these players, or even broader trends in the tournament, might also impact trading activity. Furthermore, significant betting activity or large trades on Polymarket could create short-term price fluctuations as traders react to new information or attempt to capitalize on perceived opportunities.