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 22, 8:09 AM EST
Polymarket
This market refers to the tennis match between Sophie Williams and Maria Malina Rosca in the W15 Constanta, Qualifying, originally scheduled for September 22, 2026 at 4:00AM ET. This market will resolve to 'Sophie Williams' if Sophie Williams advances against Maria Malina Rosca. This market will resolve to 'Maria Malina Rosca' if Maria Malina Rosca advances against Sophie Williams. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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 Sophie Williams and Maria Malina Rosca in the W15 Constanta, Qualifying, originally scheduled for September 22, 2026 at 4:00AM ET. This market will resolve to 'Sophie Williams' if Sophie Williams advances against Maria Malina Rosca. This market will resolve to 'Maria Malina Rosca' if Maria Malina Rosca advances against Sophie Williams. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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.
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. The market's price is determined solely by supply and demand among traders on Polymarket, reflecting their collective assessment of Sophie Williams and Maria Malina Rosca's chances of winning.
This market resolves around Sep 29, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W15 Constanta match between Sophie Williams and Maria Malina Rosca. The platform will verify the winner against publicly available sources to determine the winning outcome. Traders who correctly predicted the result will receive a payout based on the final market price at the time of resolution.
Several factors could influence the price of this market before it resolves. Any news regarding player form, injuries, or changes in playing conditions could shift trader sentiment. Unexpected results in prior matches for either Sophie Williams or Maria Malina Rosca could also impact the market. Furthermore, major shifts in public opinion or expert analysis could lead to changes in trading behavior. Monitoring these signals will be crucial for understanding potential price movements in this market until the match concludes.