TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
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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%
Closed: Oct 12, 3:21 PM EST
Polymarket
This market refers to the tennis match between Helene Sommer and Aleksandra Janiszewska in the W15 Bol, Qualifying, originally scheduled for October 11, 2026 at 9:15AM ET. This market will resolve to 'Helene Sommer' if Helene Sommer advances against Aleksandra Janiszewska. This market will resolve to 'Aleksandra Janiszewska' if Aleksandra Janiszewska advances against Helene Sommer. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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 Helene Sommer and Aleksandra Janiszewska in the W15 Bol, Qualifying, originally scheduled for October 11, 2026 at 9:15AM ET. This market will resolve to 'Helene Sommer' if Helene Sommer advances against Aleksandra Janiszewska. This market will resolve to 'Aleksandra Janiszewska' if Aleksandra Janiszewska advances against Helene Sommer. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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, potentially differing from sportsbook odds which can be influenced by house biases or initial public perception. Sportsbooks typically set odds based on statistical models and expert analysis, while this market allows anyone to participate and express their beliefs. If there’s a significant discrepancy, it could indicate that the crowd believes a different outcome is more likely than sportsbooks suggest. However, it's important to remember that both represent probabilities and can be influenced by new information or changing circumstances.
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 probability of that outcome occurring. As more people buy shares in a particular outcome, its price increases, reflecting a higher perceived likelihood. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market price fluctuates based on supply and demand, driven by new information and trader sentiment. This dynamic pricing ensures that the market reflects the collective intelligence of participants.
This market resolves around Oct 18, 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 W15 Bol match between Helene Sommer and Aleksandra Janiszewska, as determined by the official tournament organizers. The platform will verify the result against publicly available data, ensuring a transparent and accurate settlement. Traders will then be able to claim their winnings or adjust their positions based on the final outcome.
Several factors could influence this market before resolution. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected results in other matches involving these players might also impact the perceived probabilities. Furthermore, major upsets in similar tournaments could lead to a reassessment of overall player capabilities. Public commentary from tennis analysts or experts could also play a role, influencing how traders interpret the likelihood of each player winning the match.