TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Grass Court Championships: Aryna Sabalenka vs Nikola Bartunkova
- Polymarket
Grass Court Championships: Aryna Sabalenka vs Nikola Bartunkova - Polymarket
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Vol.
·
Resolved Jun 25, 2026
Closed: Jun 26, 5:00 AM EST
Polymarket
This market refers to the tennis match between Aryna Sabalenka and Nikola Bartunkova in the Grass Court Championships, originally scheduled for June 19, 2026 at 5:00AM ET. This market will resolve to 'Aryna Sabalenka' if Aryna Sabalenka advances against Nikola Bartunkova. This market will resolve to 'Nikola Bartunkova' if Nikola Bartunkova 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 Nikola Bartunkova in the Grass Court Championships, originally scheduled for June 19, 2026 at 5:00AM ET. This market will resolve to 'Aryna Sabalenka' if Aryna Sabalenka advances against Nikola Bartunkova. This market will resolve to 'Nikola Bartunkova' if Nikola Bartunkova 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 market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance liability and profit margins, while prediction markets price outcomes based on trader beliefs and capital allocation. This market aggregates the collective judgment of participants willing to stake real money on their forecasts. Comparing this market's implied probability to major sportsbooks can reveal where professional oddsmakers and prediction market traders disagree, highlighting potential value or consensus shifts.
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 price of each outcome reflects the aggregate demand and supply at any moment, with the sum of all outcome probabilities equaling 100 percent. Higher trading volume typically narrows spreads and increases price accuracy, while lower volume can create wider bid-ask gaps. Real money at stake incentivizes participants to incorporate all available information into their trading decisions.
This market resolves around Jun 26, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the actual match conclusion as documented by official tournament records and reputable sports news sources. Until that time, traders can adjust positions based on pre-match developments, player updates, or shifting expectations. Resolution is final once the event concludes and the winner is officially recorded.
Player form and recent match results are primary catalysts, as strong performances or injury concerns can shift expectations significantly. Court conditions, weather forecasts, and head-to-head history may also influence trader positioning. Lineup confirmations, coaching changes, or public statements from either player can trigger repricing. Tournament momentum and seeding dynamics sometimes affect market sentiment as well. Any credible reporting on fitness, mental readiness, or tactical adjustments could prompt traders to reassess probabilities before the match begins.