TOTAL VOLUME:
$134.2b
24H VOL:
$143,246,370
24H TRANSACTIONS:
2,403,290,006
OPEN INTEREST:
$1,452,035,386
405,032
Markets across
30,543
events
MATCHED EVENTS:
2,690
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 23, 8:00 AM EST
Polymarket
This market refers to the doubles tennis match between Hermans/Merino and Huang/Zheng in the Bunschoten, originally scheduled for July 16, 2026 at 8:00AM ET. This market will resolve to 'Hermans/Merino' if the team of Hermans/Merino advances against Huang/Zheng. This market will resolve to 'Huang/Zheng' if the team of Huang/Zheng advances against Hermans/Merino. 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 Hermans/Merino and Huang/Zheng in the Bunschoten, originally scheduled for July 16, 2026 at 8:00AM ET. This market will resolve to 'Hermans/Merino' if the team of Hermans/Merino advances against Huang/Zheng. This market will resolve to 'Huang/Zheng' if the team of Huang/Zheng advances against Hermans/Merino. 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 sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance their book and manage risk, while prediction markets aggregate the beliefs of traders who have real money at stake. Prediction markets can sometimes offer sharper, more efficient pricing because traders profit directly from accuracy rather than from volume or margins. However, sportsbooks may have deeper liquidity and faster adjustment to breaking news. Comparing this market's odds to major sportsbooks can reveal whether the crowd is pricing the outcome differently than professional oddsmakers.
On Polymarket, this market is priced through an automated market maker that allows traders to buy and sell shares representing each outcome. 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 probability the crowd assigns to that outcome, with the sum of all outcome probabilities equaling 100 percent. Traders profit by buying underpriced outcomes and selling overpriced ones, which naturally drives prices toward fair value. As new information surfaces—such as player form, injuries, or head-to-head records—traders adjust their positions, and prices move accordingly.
This market resolves around Jul 23, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by which team wins the doubles competition at Bunschoten. Resolution occurs after the event has been officially confirmed, ensuring that all participants have access to the same verified information. Until that point, traders can continue to buy and sell shares based on their expectations and any developments that may influence the final result.
Several factors could shift trader sentiment and move prices in this market. Player injuries or withdrawals announced before the match would have an immediate impact, as would unexpected changes to the tournament schedule. Recent performance data, head-to-head records, and court surface preferences can influence how traders assess each team's chances. News about player fitness, coaching changes, or other competitive developments may also trigger repricing. As the match date approaches, any official updates or late-breaking information about the competitors could cause significant volume spikes and price movement.