TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 7, 11:25 AM EST
Polymarket
This market refers to the tennis match between Ksenia Efremova and Sophia Biolay in the W35 Monastir, Main Draw, originally scheduled for October 7, 2026 at 5:30AM ET. This market will resolve to 'Ksenia Efremova' if Ksenia Efremova advances against Sophia Biolay. This market will resolve to 'Sophia Biolay' if Sophia Biolay advances against Ksenia Efremova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 21, 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 Ksenia Efremova and Sophia Biolay in the W35 Monastir, Main Draw, originally scheduled for October 7, 2026 at 5:30AM ET. This market will resolve to 'Ksenia Efremova' if Ksenia Efremova advances against Sophia Biolay. This market will resolve to 'Sophia Biolay' if Sophia Biolay advances against Ksenia Efremova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 21, 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 collective wisdom of a diverse group of traders, potentially differing from those set by traditional sportsbooks. Sportsbooks establish initial lines based on statistical models and expert analysis, while this market’s odds are driven by actual money being wagered. This can lead to discrepancies, particularly as new information emerges or public sentiment shifts. It's common to see prediction markets react more quickly to breaking news or unexpected developments than sportsbooks, as traders can instantly adjust their positions. Comparing the two can offer a broader perspective on the likely outcome.
This market resolves around Oct 14, 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 W35 Monastir tennis match between Ksenia Efremova and Sophia Biolay. The platform will verify the winner based on official tournament results and reporting. Traders holding shares in the winning outcome will receive a payout equivalent to the final share price, while those holding shares in the losing outcome will forfeit their investment. The resolution process aims to be transparent and based on publicly available data.
Several factors could influence the price movement of this market before resolution. Any news regarding player form, injuries, or changes in playing conditions could significantly impact trader sentiment. Unexpected results in preceding matches for either Ksenia Efremova or Sophia Biolay could also shift the odds. Publicly available analysis from tennis experts, while not directly incorporated into the market, could influence trader behavior. Ultimately, any information that alters the perceived probability of either player winning is likely to cause fluctuations in the market price.