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 15, 5:19 PM EST
Polymarket
This market refers to the tennis match between Berfu Cengiz and Guiomar Maristany in the Valencia, originally scheduled for September 14, 2026 at 4:00AM ET. This market will resolve to 'Berfu Cengiz' if Berfu Cengiz advances against Guiomar Maristany. This market will resolve to 'Guiomar Maristany' if Guiomar Maristany advances against Berfu Cengiz. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Berfu Cengiz and Guiomar Maristany in the Valencia, originally scheduled for September 14, 2026 at 4:00AM ET. This market will resolve to 'Berfu Cengiz' if Berfu Cengiz advances against Guiomar Maristany. This market will resolve to 'Guiomar Maristany' if Guiomar Maristany advances against Berfu Cengiz. 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect the collective wisdom of a diverse group of participants, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their odds based on statistical models and expert analysis, while this market is driven by traders directly expressing their beliefs. It’s common to see discrepancies between the two, especially before significant events or when new information emerges. These differences can stem from varying levels of information access, biases, or simply differing interpretations of the same data. Observing these comparisons can be valuable for understanding market sentiment.
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, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing ensures that the market reflects the most up-to-date collective assessment of the event's likelihood. The market’s efficiency depends on active participation and informed trading.
This market resolves around Sep 21, 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 Valencia tennis match between Berfu Cengiz and Guiomar Maristany, as reported by a recognized tennis authority. The platform will verify the result against publicly available data to determine the winning outcome. Traders will then be able to claim their winnings based on the final result and their holdings in the market.
Several factors could influence the trading activity in this market before resolution. Any news regarding player form, injuries, or changes in playing conditions could significantly shift the odds. Unexpected results in preceding matches or tournaments involving either player could also impact market sentiment. Furthermore, major shifts in public opinion, perhaps driven by expert analysis or social media trends, could lead to increased trading volume and price fluctuations. Monitoring these signals will be crucial for understanding potential market movements leading up to Sep 21, 2026.