TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 28, 11:00 AM EST
Polymarket
This market refers to the tennis match between Andrej Martin and Khumoyun Sultanov in the ITF Men Ollersbach, originally scheduled for July 21, 2026 at 11:00AM ET. This market will resolve to 'Andrej Martin' if Andrej Martin advances against Khumoyun Sultanov. This market will resolve to 'Khumoyun Sultanov' if Khumoyun Sultanov advances against Andrej Martin. 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 Andrej Martin and Khumoyun Sultanov in the ITF Men Ollersbach, originally scheduled for July 21, 2026 at 11:00AM ET. This market will resolve to 'Andrej Martin' if Andrej Martin advances against Khumoyun Sultanov. This market will resolve to 'Khumoyun Sultanov' if Khumoyun Sultanov advances against Andrej Martin. 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 bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. For this market, comparing the current odds on Polymarket to major sportsbooks can reveal whether traders are pricing the match differently than professional oddsmakers. Such differences may highlight value opportunities or signal where informed traders see an edge.
On Polymarket, this market is priced through an automated market maker that adjusts odds continuously as traders buy and sell shares. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current probability reflects the aggregate of all trades, with each transaction moving the price based on supply and demand. Traders can enter or exit positions at any time before the market closes, and the price you see represents the real-time consensus of what participants believe will happen in the match.
This market resolves around Jul 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will reflect the actual result of the match as documented by official tennis records and reputable sports sources. Until that time, traders can continue to adjust positions based on news, player form, injury reports, and other developments that may influence expectations.
Several factors could shift trader positioning before resolution. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific performance data may prompt reassessment as the match date approaches. Weather forecasts, court conditions, and any changes to the tournament schedule could also influence market sentiment. Additionally, betting activity on external sportsbooks and social media discussion among tennis analysts may signal shifting expectations and drive trading volume.