TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
This market refers to the tennis match between Ekaterina Alexandrova and Marta Kostyuk in the Ningbo Open, originally scheduled for October 21, 2026 at 7:00AM ET. This market will resolve to 'Ekaterina Alexandrova' if Ekaterina Alexandrova advances against Marta Kostyuk. This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Ekaterina Alexandrova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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 Ekaterina Alexandrova and Marta Kostyuk in the Ningbo Open, originally scheduled for October 21, 2026 at 7:00AM ET. This market will resolve to 'Ekaterina Alexandrova' if Ekaterina Alexandrova advances against Marta Kostyuk. This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Ekaterina Alexandrova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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.
Often, prediction market odds offer a different perspective than those found at traditional sportsbooks. Sportsbooks typically incorporate a ‘vig’ or commission into their odds, representing their profit margin, and may be influenced by marketing or public perception. This market, however, is driven purely by the collective wisdom of traders who are incentivized to make accurate predictions. While sportsbooks may initially set odds based on expert analysis, prediction markets can quickly adjust to reflect new information and potentially reveal insights that differ from conventional wisdom.
This market resolves around Oct 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Ningbo Open match between Ekaterina Alexandrova and Marta Kostyuk. The platform will verify the result against established sports data sources to determine the winning outcome. Traders who correctly predicted the outcome will be paid out according to the final market prices at the time of resolution.
Several factors could influence the price of this market before resolution. Any news regarding player form, potential injuries to either Ekaterina Alexandrova or Marta Kostyuk, or changes in playing conditions could all shift trader sentiment. Unexpected results in other matches involving these players leading up to the event could also impact the market. Furthermore, any significant analysis from tennis experts or shifts in public opinion could contribute to price movements in this market as traders react to new information.