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: Sep 10, 7:59 AM EST
Polymarket
This market refers to the tennis match between Joao Dinis Silva and Francisco Rocha in the M25 Sintra, Main Draw, originally scheduled for September 10, 2026 at 5:00AM ET. This market will resolve to 'Joao Dinis Silva' if Joao Dinis Silva advances against Francisco Rocha. This market will resolve to 'Francisco Rocha' if Francisco Rocha 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 24, 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 Francisco Rocha in the M25 Sintra, Main Draw, originally scheduled for September 10, 2026 at 5:00AM ET. This market will resolve to 'Joao Dinis Silva' if Joao Dinis Silva advances against Francisco Rocha. This market will resolve to 'Francisco Rocha' if Francisco Rocha 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 24, 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.
Prediction market odds often reflect the wisdom of the crowd, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own analysis and incorporate a profit margin, while this market’s odds are determined by traders buying and selling contracts based on their own beliefs. If a significant number of traders believe a particular outcome is more likely than sportsbooks suggest, the price will move accordingly. It’s common to see discrepancies, especially before a lot of trading volume accumulates, offering opportunities for informed traders to potentially find value.
On Polymarket, this market is priced through a continuous auction mechanism. Traders can buy 'yes' contracts if they believe Joao Dinis Silva will win, or 'no' contracts if they believe Francisco Rocha will win. The price of these contracts fluctuates based on supply and demand, representing the market’s collective probability assessment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders who buy 'yes' contracts, the higher the price goes, and vice versa. This dynamic pricing allows the market to quickly incorporate new information and adjust its predictions as the event approaches.
This market resolves around Sep 17, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the M25 Sintra tennis match between Joao Dinis Silva and Francisco Rocha. The winner of the match, as declared by the tournament organizers, will determine whether the 'yes' or 'no' contracts pay out. The platform will verify the result against established sports data sources to ensure accuracy and transparency.
Several factors could influence the price of this market before Sep 17, 2026. Any news regarding player form, such as injuries or recent match results for either Joao Dinis Silva or Francisco Rocha, could significantly shift the odds. Unexpected weather conditions at the tournament location could also play a role, potentially favoring one player’s style of play over the other. Furthermore, large trading volume from informed traders or shifts in public sentiment could cause noticeable price movements in this market.