TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 11, 6:00 AM EST
Polymarket
This market refers to the tennis match between Marcos Giron and Alexander Zverev in the Wimbledon ATP, originally scheduled for July 4, 2026 at 6:00AM ET. This market will resolve to 'Marcos Giron' if Marcos Giron advances against Alexander Zverev. This market will resolve to 'Alexander Zverev' if Alexander Zverev advances against Marcos Giron. 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Marcos Giron and Alexander Zverev in the Wimbledon ATP, originally scheduled for July 4, 2026 at 6:00AM ET. This market will resolve to 'Marcos Giron' if Marcos Giron advances against Alexander Zverev. This market will resolve to 'Alexander Zverev' if Alexander Zverev advances against Marcos Giron. 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction markets and traditional sportsbooks price tennis matches differently. Sportsbooks set odds based on their own models and risk management, then adjust them to balance action on both sides. Prediction markets, by contrast, aggregate the collective beliefs of thousands of traders who profit or lose based on accuracy, creating a crowd-sourced probability. This market often reflects real-time information and trader conviction more dynamically than sportsbooks, which may lag during breaking news or significant shifts in player condition or momentum.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker (AMM) 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 ratio of liquidity allocated to it; as more traders back one result, that outcome's share price rises and the opposing outcome falls. This continuous repricing mechanism ensures the market stays efficient and responsive to new information. Traders profit when their prediction proves correct, incentivizing accurate pricing throughout the event window.
This market resolves around Jul 11, 2026, once the match concludes and the winner is verified against credible public sources. The outcome is determined by the official result of the tennis match—specifically, which player wins the required number of sets according to Wimbledon rules. No further conditions or tie-breaker scenarios apply; the market simply confirms the match winner. Resolution typically occurs within hours of the final point.
Several factors can shift odds before the match begins or during play. Pre-match developments include injury reports, recent form and head-to-head records, court conditions, and player fitness updates. Once play starts, real-time momentum—such as set scores, break points, and visible fatigue—drives rapid repricing as traders react to unfolding action. Weather delays, unexpected tactical adjustments, and crowd energy can also influence trader sentiment. Major upsets or dominant performances in early sets typically trigger sharp probability swings.