TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 18, 9:00 AM EST
Polymarket
This market refers to the tennis match between Anastasiya Sobolieva and Julia Avdeeva in the ITF Women Aschaffenburg, originally scheduled for July 11, 2026 at 9:00AM ET. This market will resolve to 'Anastasiya Sobolieva' if Anastasiya Sobolieva advances against Julia Avdeeva. This market will resolve to 'Julia Avdeeva' if Julia Avdeeva advances against Anastasiya Sobolieva. 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 Anastasiya Sobolieva and Julia Avdeeva in the ITF Women Aschaffenburg, originally scheduled for July 11, 2026 at 9:00AM ET. This market will resolve to 'Anastasiya Sobolieva' if Anastasiya Sobolieva advances against Julia Avdeeva. This market will resolve to 'Julia Avdeeva' if Julia Avdeeva advances against Anastasiya Sobolieva. 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 operate under different mechanisms. Sportsbooks set odds to balance liability and profit, while prediction markets derive prices from trader consensus and real-money incentives. This market reflects aggregated trader beliefs about the match outcome, which may differ from traditional sportsbook lines due to varying information access, risk appetite, and market efficiency. Comparing the two can reveal where professional and retail traders disagree, offering insight into perceived value and confidence gaps between venues.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective probability assigned by all participants; as traders accumulate shares in one outcome, the price of that outcome rises and its counterpart falls. This continuous repricing ensures the market remains responsive to new information and trader conviction, creating a dynamic price discovery process that balances supply and demand in real time.
This market resolves around Jul 18, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by the official result of the tennis match between the two players. Until that point, traders can continue to buy and sell shares as odds fluctuate with breaking news, player form updates, or injury reports. Resolution is final once confirmed, and all positions settle according to the verified match result.
Several factors could shift odds significantly before Jul 18, 2026. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface performance data may influence trader positioning as the match draws closer. Court conditions, weather forecasts, and any changes to player seeding or draw placement can also move the market. Media coverage and expert commentary often catalyze trading activity, as can shifts in betting patterns on external sportsbooks, which traders monitor for arbitrage opportunities and consensus signals.