TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 11:07 AM EST
Polymarket
This market refers to the tennis match between Aleksa Oparnica and Tim Vaisman in the ITF Men Kursumlijska Banja, originally scheduled for July 22, 2026 at 7:35AM ET. This market will resolve to 'Aleksa Oparnica' if Aleksa Oparnica advances against Tim Vaisman. This market will resolve to 'Tim Vaisman' if Tim Vaisman advances against Aleksa Oparnica. 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 Aleksa Oparnica and Tim Vaisman in the ITF Men Kursumlijska Banja, originally scheduled for July 22, 2026 at 7:35AM ET. This market will resolve to 'Aleksa Oparnica' if Aleksa Oparnica advances against Tim Vaisman. This market will resolve to 'Tim Vaisman' if Tim Vaisman advances against Aleksa Oparnica. 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 on Polymarket for this market often differ from traditional sportsbook lines due to trader-driven pricing and unique market mechanics. While sportsbooks may set their odds based on analytical models and historical data, Polymarket users collectively price in real-time sentiment, recent form, and other dynamic factors. This can lead to variations in implied probabilities, especially as new information emerges before Jul 29, 2026.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders manually set bids and asks that determine this market’s current implied probability. The top outcome’s displayed chance reflects the best available bid from the crowd, adjusted for available liquidity. As bets flow in, the price can shift rapidly, especially with new tournament updates or player news that shifts trader confidence.
This market resolves around Jul 29, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The final score and winner are checked against official tournament records, ensuring the market closes with the correct result. Timing depends on when the match concludes and results are officially announced.
Injuries, weather delays, or late tournament rule changes could shift this market as they affect player readiness or match scheduling. Strong performance in earlier rounds, media coverage of key moments, and betting trends on Polymarket also influence trader sentiment. Any update that changes the perceived likelihood of each player winning may cause rapid price swings.