TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 27, 8:00 AM EST
Polymarket
This market refers to the tennis match between Facundo Acosta and Federico Cina in the Generali Open, originally scheduled for July 20, 2026 at 8:00AM ET. This market will resolve to 'Facundo Acosta' if Facundo Acosta advances against Federico Cina. This market will resolve to 'Federico Cina' if Federico Cina advances against Facundo Acosta. 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 Facundo Acosta and Federico Cina in the Generali Open, originally scheduled for July 20, 2026 at 8:00AM ET. This market will resolve to 'Facundo Acosta' if Facundo Acosta advances against Federico Cina. This market will resolve to 'Federico Cina' if Federico Cina advances against Facundo Acosta. 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 lines to balance action and protect their margin, while prediction markets aggregate the collective belief of traders risking real capital. For this market, comparing the implied probability here to major sportsbook lines can reveal whether bettors and traders disagree on the likely winner. Prediction markets sometimes offer sharper pricing because traders have direct financial exposure to accuracy.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability quotes. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price of each share reflects the collective assessment of all active traders. As new information emerges or trading volume shifts, the odds adjust automatically. You can enter or exit positions at any time before the market closes, with your entry price determined by the current order book depth and the platform's pricing algorithm.
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 the official match result, determining which trader positions are correct. Until that point, prices will fluctuate as new information—such as player form, injury updates, or betting action—influences trader expectations. Resolution is final once the event is officially recorded.
Several factors could shift odds significantly before the match begins. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament performance, head-to-head records, and court surface suitability may influence trader positioning. Media coverage, expert predictions, and notable betting action on external sportsbooks can also drive volume and price movement. Closer to the event date, weather conditions and last-minute lineup confirmations often prompt final adjustments as traders refine their probability estimates.