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: Jun 25, 6:00 AM EST
Polymarket
This market refers to the tennis match between Alexandre Aubriot and Sandro Kopp in the ITF Men Klosters, originally scheduled for June 18, 2026 at 6:00AM ET. This market will resolve to 'Alexandre Aubriot' if Alexandre Aubriot advances against Sandro Kopp. This market will resolve to 'Sandro Kopp' if Sandro Kopp advances against Alexandre Aubriot. 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 Alexandre Aubriot and Sandro Kopp in the ITF Men Klosters, originally scheduled for June 18, 2026 at 6:00AM ET. This market will resolve to 'Alexandre Aubriot' if Alexandre Aubriot advances against Sandro Kopp. This market will resolve to 'Sandro Kopp' if Sandro Kopp advances against Alexandre Aubriot. 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 mechanisms. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are priced by traders who profit from accurate forecasting. Prediction markets typically incorporate a broader range of information and real-time adjustments, sometimes offering sharper odds than traditional sportsbooks. However, sportsbook odds benefit from professional oddsmaking expertise and deep liquidity. Comparing the two can reveal valuable discrepancies, though each serves different purposes for bettors and forecasters.
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 collective belief of all participants—higher prices indicate stronger conviction that an outcome will occur. Liquidity providers and traders continuously adjust their positions, causing prices to fluctuate based on new information, betting patterns, and event developments. This decentralized pricing mechanism ensures that the market odds remain responsive and competitive, with no single entity controlling the line.
This market resolves around Jun 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the actual match winner as documented by official tournament records and reputable sports news sources. Once the match concludes and the winner is established, the market will settle accordingly, paying out traders who correctly predicted the outcome. Traders should monitor official ITF Klosters announcements and sports media coverage to track developments leading up to resolution.
Several factors could shift odds before the match takes place. Recent player performance, head-to-head records, and ranking changes typically influence trader sentiment. Injury announcements or withdrawal news could dramatically reprrice the market, as could surface conditions or weather forecasts specific to the Klosters venue. Tournament draw updates and seeding changes may also trigger movement. Media coverage highlighting either player's form or tactical advantages can sway perception. Closer to the event date, warm-up match results and official confirmations of participation will likely drive final adjustments as traders refine their forecasts.