TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 3:00 AM EST
Polymarket
This market refers to the tennis match between Niksa Arsic and Aleksa Oparnica in the ITF Men Kursumlijska Banja, originally scheduled for July 8, 2026 at 3:00AM ET. This market will resolve to 'Niksa Arsic' if Niksa Arsic advances against Aleksa Oparnica. This market will resolve to 'Aleksa Oparnica' if Aleksa Oparnica advances against Niksa Arsic. 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 Niksa Arsic and Aleksa Oparnica in the ITF Men Kursumlijska Banja, originally scheduled for July 8, 2026 at 3:00AM ET. This market will resolve to 'Niksa Arsic' if Niksa Arsic advances against Aleksa Oparnica. This market will resolve to 'Aleksa Oparnica' if Aleksa Oparnica advances against Niksa Arsic. 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 participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate the collective beliefs of traders who have real financial stakes in accuracy. This market may show odds that differ from traditional sports betting sites, sometimes offering sharper pricing when traders possess superior information or different risk tolerances than the average sportsbook customer.
On Polymarket, traders set the odds 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 demand—higher prices indicate stronger collective belief in that result. As new information emerges or sentiment shifts, traders adjust their positions, causing prices to move dynamically. This continuous repricing mechanism ensures the market stays responsive to changing expectations about who will win the match.
This market resolves around Jul 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner will be determined by the official match result recorded by the tournament organizer. Once the match concludes and the result is publicly available, the market will settle accordingly, paying out traders who backed the correct outcome and closing positions for those on the losing side.
Several factors could shift odds before the match takes place. Recent player form, head-to-head records, court surface preferences, and injury reports are common catalysts. Tournament seeding, draw position, and momentum from earlier rounds may also influence trader sentiment. News about either player's fitness, training updates, or coaching changes could trigger repricing. Additionally, betting action from informed participants—such as professional traders or those with insider knowledge of player conditions—often moves the market as others react to their positions.