TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Completed Match
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Completed Match - Polymarket
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Vol.
·
Resolved Sep 23, 2026
Closed: Sep 23, 7:48 AM EST
Polymarket
This market refers to the tennis match between Simona Cucu and Sonja Zhenikhova in the W15 Constanta, Main Draw, originally scheduled for September 23, 2026 at 4:00AM ET. This market will resolve to 'Simona Cucu' if Simona Cucu advances against Sonja Zhenikhova. This market will resolve to 'Sonja Zhenikhova' if Sonja Zhenikhova advances against Simona Cucu. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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 Simona Cucu and Sonja Zhenikhova in the W15 Constanta, Main Draw, originally scheduled for September 23, 2026 at 4:00AM ET. This market will resolve to 'Simona Cucu' if Simona Cucu advances against Sonja Zhenikhova. This market will resolve to 'Sonja Zhenikhova' if Sonja Zhenikhova advances against Simona Cucu. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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.
Prediction market odds often reflect the wisdom of the crowd, and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market aggregates the beliefs of many individual traders. If a significant number of people believe a sportsbook is mispricing a player's chances, they can express that view by trading on Polymarket. This can lead to differences in implied probabilities, potentially offering opportunities for value betting if you believe the market has identified an edge over the sportsbook.
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 reflects the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders buy shares in a particular player, the price of those shares increases, and vice versa. This dynamic pricing ensures that the market reflects the most up-to-date collective intelligence on the likely winner of the Constanta tennis match.
This market resolves around Sep 30, 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 Constanta tennis match between Simona Cucu and Sonja Zhenikhova, as reported by a recognized tennis authority. The platform will verify the winner and distribute payouts to those who correctly predicted the outcome, based on the final score and official match results. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could significantly impact the perceived probabilities. Unexpected upsets in other matches involving these players, or even broader trends in the world of tennis, could also cause traders to reassess their positions. Furthermore, large trades by influential market participants on Polymarket could create momentum and lead to price swings, so monitoring the volume and order flow is crucial.