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 27, 5:00 AM EST
Polymarket
This market refers to the tennis match between Juan Manuel Cerundolo and Marco Trungelliti in the Generali Open, originally scheduled for July 20, 2026 at 5:00AM ET. This market will resolve to 'Juan Manuel Cerundolo' if Juan Manuel Cerundolo advances against Marco Trungelliti. This market will resolve to 'Marco Trungelliti' if Marco Trungelliti advances against Juan Manuel Cerundolo. 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Juan Manuel Cerundolo and Marco Trungelliti in the Generali Open, originally scheduled for July 20, 2026 at 5:00AM ET. This market will resolve to 'Juan Manuel Cerundolo' if Juan Manuel Cerundolo advances against Marco Trungelliti. This market will resolve to 'Marco Trungelliti' if Marco Trungelliti advances against Juan Manuel Cerundolo. 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 ATP Tour. 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 action and lock in profit margins, while prediction markets aggregate the collective beliefs of traders who have real money at stake. This market's odds may move faster or slower than traditional sportsbooks depending on breaking news, injury reports, or shifts in trader conviction. Comparing the two can reveal where the crowd sees value or where consensus is building around a particular outcome.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. When you buy shares backing a particular outcome, you move the price upward; selling moves it downward. The cost to buy or sell reflects the current implied probability, which updates continuously as new trades flow in. This mechanism ensures that prices stay responsive to new information and trader sentiment throughout the event window.
This market resolves around Jul 27, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on which player wins the match at the Generali Open. Until that point, traders can continue to buy and sell shares as odds fluctuate. Resolution happens automatically once the event result is finalized and recorded by official tournament sources.
Several factors could shift odds before the match takes place. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent form, head-to-head records, and surface preference on clay courts may influence trader positioning. Tournament draws, seeding changes, or updates on player fitness could also prompt significant moves. Additionally, any breaking news about external circumstances affecting either competitor—travel delays, personal issues, or coaching changes—could cause the market to react quickly as traders reassess probabilities.