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 16, 6:00 AM EST
Polymarket
This market refers to the tennis match between Nikolai Barsukov and Matthew William Donald in the ITF Men Kassel, originally scheduled for July 9, 2026 at 6:00AM ET. This market will resolve to 'Nikolai Barsukov' if Nikolai Barsukov advances against Matthew William Donald. This market will resolve to 'Matthew William Donald' if Matthew William Donald advances against Nikolai Barsukov. 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 Nikolai Barsukov and Matthew William Donald in the ITF Men Kassel, originally scheduled for July 9, 2026 at 6:00AM ET. This market will resolve to 'Nikolai Barsukov' if Nikolai Barsukov advances against Matthew William Donald. This market will resolve to 'Matthew William Donald' if Matthew William Donald advances against Nikolai Barsukov. 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 markets and traditional sportsbooks price events differently. Sportsbooks set odds based on their own models and adjust them to balance their book; prediction markets derive odds from real-time trading by many participants with diverse information. This market often reflects crowd wisdom and can diverge from sportsbook lines, especially as new developments emerge. Comparing the two can reveal where professional oddsmakers and decentralized traders disagree, offering insight into which side may be undervalued or overpriced relative to consensus.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker 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 aggregate belief of all participants: higher prices indicate stronger confidence in that result, while lower prices suggest skepticism. As traders respond to match developments, injuries, or other news, prices adjust continuously. This decentralized pricing mechanism means the market can react quickly to information and often captures nuanced probabilities that fixed sportsbook odds may lag behind.
This market resolves around Jul 16, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the ITF Kassel event. Resolution happens after the match is completed and confirmed through reliable tennis data sources. Traders should monitor the tournament schedule and any official announcements to stay informed about timing and any potential delays or changes.
Several factors could shift odds before resolution. Player injury announcements or withdrawal news would trigger sharp repricing. Recent tournament results, head-to-head records, or surface-specific performance data may influence trader sentiment. Court conditions, weather forecasts, and draw positioning can also matter. Media coverage highlighting either player's form or confidence could sway the crowd. Closer to match day, warm-up tournament results or official injury updates typically drive the largest moves. Traders monitoring these signals often spot opportunities before the broader market reacts.