TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 7, 8:00 AM EST
Polymarket
This market refers to the tennis match between Harold Huens and Zian Vanderstappen in the ITF Men Nivelles, originally scheduled for June 30, 2026 at 8:00AM ET. This market will resolve to 'Harold Huens' if Harold Huens advances against Zian Vanderstappen. This market will resolve to 'Zian Vanderstappen' if Zian Vanderstappen advances against Harold Huens. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Harold Huens and Zian Vanderstappen in the ITF Men Nivelles, originally scheduled for June 30, 2026 at 8:00AM ET. This market will resolve to 'Harold Huens' if Harold Huens advances against Zian Vanderstappen. This market will resolve to 'Zian Vanderstappen' if Zian Vanderstappen advances against Harold Huens. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different incentive structures. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets like this one are driven by trader consensus and real-money risk. Sportsbooks may adjust lines based on betting volume and liability, whereas prediction markets aggregate dispersed information from many participants. For tennis matches, prediction market odds can sometimes offer sharper or earlier signals of shifting expectations, though both venues ultimately aim to reflect true probabilities.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current implied probability reflects the aggregate of all trades placed on the platform. Each share represents a claim on one outcome, and the price you see is determined by supply and demand among participants. As new information emerges or sentiment shifts, traders adjust their positions, moving the odds in real time. This mechanism ensures the market price continuously incorporates the collective judgment of all active traders.
This market resolves around Jul 7, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the official match conclusion as documented by recognized tennis authorities and sports news sources. Once the match concludes and the winner is established, the market will settle accordingly, paying out shares of the winning outcome and expiring shares of the losing side. Traders should monitor official ITF communications and reputable sports coverage to track developments leading up to resolution.
Several factors could shift odds before the match takes place. Recent player performance, head-to-head records, and ranking changes often influence trader sentiment. Injury reports or withdrawal announcements would trigger sharp repricing. Court surface conditions, weather forecasts, and tournament draw details can also sway expectations. News about either player's form, confidence, or off-court circumstances may prompt traders to adjust positions. Additionally, betting activity on external sportsbooks or shifts in broader tennis sentiment can ripple into this market as traders react to new information and recalibrate their assessments.