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: Sep 8, 7:26 AM EST
Polymarket
This market refers to the tennis match between Joao Dinis Silva and Rafael De Alba in the M25 Sintra, Main Draw, originally scheduled for September 8, 2026 at 5:00AM ET. This market will resolve to 'Joao Dinis Silva' if Joao Dinis Silva advances against Rafael De Alba. This market will resolve to 'Rafael De Alba' if Rafael De Alba advances against Joao Dinis Silva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 2026, 11:59 PM ET (14 days after the scheduled start), 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 Joao Dinis Silva and Rafael De Alba in the M25 Sintra, Main Draw, originally scheduled for September 8, 2026 at 5:00AM ET. This market will resolve to 'Joao Dinis Silva' if Joao Dinis Silva advances against Rafael De Alba. This market will resolve to 'Rafael De Alba' if Rafael De Alba advances against Joao Dinis Silva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 2026, 11:59 PM ET (14 days after the scheduled start), 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.
Typically, prediction market odds reflect a wisdom-of-the-crowd perspective, often differing from initial sportsbook lines. Sportsbooks set odds based on their own models and incorporate a profit margin, while this market's odds are driven by traders directly expressing their beliefs. If a significant discrepancy exists, arbitrage opportunities may emerge, attracting traders who aim to profit from the difference. It’s common to see this market adjust rapidly to new information or shifts in public sentiment, potentially leading to more accurate probabilities than traditional bookmakers.
This market resolves around Sep 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the M25 Sintra tennis match between Joao Dinis Silva and Rafael De Alba. The platform will verify the winner based on publicly available sources, such as official tournament websites and sports news outlets. Traders will then be able to claim their winnings based on the final result.
Several factors could influence the price of this market. Any news regarding player injuries, changes in playing conditions, or unexpected performance in preceding matches could all shift trader sentiment. Updates on player form, head-to-head records, or even weather forecasts for the match location could also lead to price movements. Significant betting activity from well-informed traders could also serve as a signal, causing others to reassess their probabilities and adjust their positions accordingly.