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%
Closed: Jul 15, 4:00 AM EST
Polymarket
This market refers to the tennis match between Fons Van Sambeek and Aristotelis Thanos in the ITF Men The Hague, originally scheduled for July 8, 2026 at 4:00AM ET. This market will resolve to 'Fons Van Sambeek' if Fons Van Sambeek advances against Aristotelis Thanos. This market will resolve to 'Aristotelis Thanos' if Aristotelis Thanos advances against Fons Van Sambeek. 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 Fons Van Sambeek and Aristotelis Thanos in the ITF Men The Hague, originally scheduled for July 8, 2026 at 4:00AM ET. This market will resolve to 'Fons Van Sambeek' if Fons Van Sambeek advances against Aristotelis Thanos. This market will resolve to 'Aristotelis Thanos' if Aristotelis Thanos advances against Fons Van Sambeek. 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 traditional sportsbook odds often diverge because they reflect different participant pools and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets like this one are driven by traders risking real capital on their conviction. Comparing this market's implied probability to major sportsbook lines can reveal where professional bettors and retail traders disagree, sometimes highlighting value or consensus breakdowns. However, prediction markets typically update faster than sportsbooks during breaking news or momentum shifts.
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 capital flows into one side, that outcome's price rises and the opposing outcome falls. This continuous repricing mechanism ensures the market remains liquid and responsive to new information, with the current odds visible in real time as you consider your position.
This market resolves around Jul 15, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by which player wins the ITF The Hague tournament match, with the winning trader receiving their payout based on the final odds at which they held their shares. Until that point, prices will fluctuate as new match information, player form updates, or injury reports influence trader expectations.
Key catalysts include player injury announcements, recent tournament performance, head-to-head record updates, and court surface conditions at The Hague venue. Withdrawal or late scratches from either competitor would trigger sharp repricing. Real-time match developments—such as early set results or momentum shifts during play—often drive intraday volatility as traders adjust positions. Weather delays, ranking changes, or coaching updates can also influence trader sentiment before the match begins, causing noticeable price swings in the hours leading up to competition.