TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 31, 10:39 PM EST
Polymarket
This market refers to the tennis match between Tatjana Maria and Fiona Ferro in the Queretaro, originally scheduled for October 31, 2026 at 8:00PM ET. This market will resolve to 'Tatjana Maria' if Tatjana Maria advances against Fiona Ferro. This market will resolve to 'Fiona Ferro' if Fiona Ferro advances against Tatjana Maria. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 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 Tatjana Maria and Fiona Ferro in the Queretaro, originally scheduled for October 31, 2026 at 8:00PM ET. This market will resolve to 'Tatjana Maria' if Tatjana Maria advances against Fiona Ferro. This market will resolve to 'Fiona Ferro' if Fiona Ferro advances against Tatjana Maria. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 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.
Typically, prediction market odds offer a distinct perspective compared to traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, representing their profit margin. This market, driven by the wisdom of the crowd on Polymarket, aims to reflect the true probabilities as perceived by traders. While sportsbooks may initially set odds based on expert analysis, prediction markets dynamically adjust based on real-money wagers, potentially revealing discrepancies or areas where the crowd disagrees with conventional wisdom. It's common to see differences emerge as new information becomes available.
This market resolves around Nov 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on the official result of the Queretaro: Tatjana Maria vs Fiona Ferro match, as determined by official tournament organizers. The platform will verify the result against established sports data sources to determine the winning outcome. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence this market before resolution. Any news regarding player form, potential injuries to either Tatjana Maria or Fiona Ferro, or changes in playing conditions (like court surface or weather) could all shift trader sentiment. Unexpected results in other matches involving these players leading up to the event might also impact predictions. Furthermore, significant betting activity or large trades on Polymarket could cause noticeable price movements, reflecting a change in collective belief about the likely winner of the Maria vs Ferro match.