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: Jun 24, 4:00 AM EST
Polymarket
This market refers to the doubles tennis match between Karol/Serdarusic and Sobhy/Zakaria in the Poznan, originally scheduled for June 17, 2026 at 4:00AM ET. This market will resolve to 'Karol/Serdarusic' if the team of Karol/Serdarusic advances against Sobhy/Zakaria. This market will resolve to 'Sobhy/Zakaria' if the team of Sobhy/Zakaria advances against Karol/Serdarusic. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Karol/Serdarusic and Sobhy/Zakaria in the Poznan, originally scheduled for June 17, 2026 at 4:00AM ET. This market will resolve to 'Karol/Serdarusic' if the team of Karol/Serdarusic advances against Sobhy/Zakaria. This market will resolve to 'Sobhy/Zakaria' if the team of Sobhy/Zakaria advances against Karol/Serdarusic. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 ATP 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 lines to balance action and lock in profit margins, while prediction markets are driven by traders risking real capital on their beliefs about the outcome. This market aggregates the collective judgment of participants who profit or lose based on accuracy, which can sometimes surface insights that sportsbooks have not yet priced in. Comparing the two can reveal where the crowd sees value relative to conventional betting lines.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the current probability assigned by the market; as new information emerges or sentiment shifts, traders adjust their positions, moving the odds in real time. Liquidity and order flow determine how quickly prices respond to new trades. Higher trading volume typically narrows spreads and makes prices more stable, while lower volume can create wider gaps between bid and ask.
This market resolves around Jun 24, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on which doubles team wins the match at the Poznan event. Until that time, traders can continue to buy and sell shares as new information—such as player form, injuries, or head-to-head records—becomes available. Resolution is automatic once the event is finalized.
Several factors could shift odds before the match: player injuries or withdrawals, recent tournament performance by either team, court conditions at Poznan, and any changes in player rankings or confidence. News about training form, head-to-head records, or coaching adjustments may also influence trader positioning. As the match date approaches, media coverage and expert commentary can sway sentiment. On the day itself, warm-up reports and final lineups could trigger last-minute repricing. Monitor these catalysts to identify trading opportunities.