TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 6, 6:00 AM EST
Polymarket
This market refers to the tennis match between Aryna Sabalenka and Teodora Kostovic in the Wimbledon WTA, originally scheduled for June 29, 2026 at 6:00AM ET. This market will resolve to 'Aryna Sabalenka' if Aryna Sabalenka advances against Teodora Kostovic. This market will resolve to 'Teodora Kostovic' if Teodora Kostovic advances against Aryna Sabalenka. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 Aryna Sabalenka and Teodora Kostovic in the Wimbledon WTA, originally scheduled for June 29, 2026 at 6:00AM ET. This market will resolve to 'Aryna Sabalenka' if Aryna Sabalenka advances against Teodora Kostovic. This market will resolve to 'Teodora Kostovic' if Teodora Kostovic advances against Aryna Sabalenka. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.
Prediction markets and traditional sportsbooks price events differently. Sportsbooks set odds based on their own models and risk management, then adjust them to balance their book. Prediction markets like this one derive prices from continuous trading among participants, reflecting crowdsourced expectations. This market often captures real-time sentiment shifts faster than sportsbooks update their lines, though both can diverge based on information flow, liquidity, and the incentives of their respective participants.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the aggregate belief of all active traders, with prices adjusting instantly as new trades occur. Higher-priced outcomes represent events the market views as more likely, while lower prices indicate less probable results. Liquidity and trading volume influence how quickly prices respond to new developments surrounding the match.
This market resolves around Jul 6, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by the official result of the tennis match between the two players. Until that point, prices will fluctuate based on pre-match analysis, player form, injury reports, and other factors that traders believe influence the likely winner.
Several factors could shift prices before the match begins. Injury announcements or fitness concerns affecting either player would trigger sharp moves. Recent tournament performance, head-to-head records, and surface-specific strengths matter significantly on grass courts. Weather forecasts, court conditions, and draw positioning can also influence trader sentiment. Breaking news about player form, coaching changes, or other personal circumstances may cause volatility. As the match date approaches, pre-match commentary and betting patterns from professional analysts often drive final adjustments.