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: Jul 7, 7:12 AM EST
Polymarket
This market refers to the tennis match between Anastasia Bertacchi and Lisa Zaar in the ITF Women Aix-Les-Bains, originally scheduled for June 30, 2026 at 7:12AM ET. This market will resolve to 'Anastasia Bertacchi' if Anastasia Bertacchi advances against Lisa Zaar. This market will resolve to 'Lisa Zaar' if Lisa Zaar advances against Anastasia Bertacchi. 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 Anastasia Bertacchi and Lisa Zaar in the ITF Women Aix-Les-Bains, originally scheduled for June 30, 2026 at 7:12AM ET. This market will resolve to 'Anastasia Bertacchi' if Anastasia Bertacchi advances against Lisa Zaar. This market will resolve to 'Lisa Zaar' if Lisa Zaar advances against Anastasia Bertacchi. 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 odds to balance liability and profit, while prediction markets aggregate the collective beliefs of traders risking real capital. This market may show higher or lower implied probabilities than traditional sportsbooks, depending on which venue's participants have stronger conviction or better information. Comparing the two can reveal where smart money sees value or where public perception differs from market pricing.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on buy and sell volume. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more capital flowing toward one outcome, the higher its price climbs; conversely, selling pressure lowers it. This continuous repricing mechanism ensures the market reflects real-time sentiment and new information. Prices on Polymarket can shift rapidly in response to player news, injury reports, or betting activity, making it a dynamic gauge of where the crowd believes the match outcome lies.
This market resolves around Jul 7, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official result of the tennis match—whether Bertacchi or Zaar wins. Resolution typically occurs shortly after the event ends, allowing traders to settle their positions. Until that point, prices may continue to shift as new information emerges or as the match progresses.
Several catalysts could shift odds before the match begins. Injury announcements or player withdrawals would trigger sharp repricing. Recent tournament results, head-to-head records, or changes in player ranking could influence trader conviction. Court surface conditions, weather forecasts, or last-minute lineup changes may also sway sentiment. Social media buzz, expert commentary, or betting syndicates entering the market can accelerate price swings. As the match date approaches, any credible news about either player's form or fitness will likely move this market significantly.