TOTAL VOLUME:
$154.7b
24H VOL:
$279,496,801
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,923,931,766
416,910
Markets across
40,107
events
MATCHED EVENTS:
4,571
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 13, 4:27 AM EST
Polymarket
This market refers to the tennis match between Stefanos Sakellaridis and Keegan Smith in the Jinan, originally scheduled for October 12, 2026 at 4:00AM ET. This market will resolve to 'Stefanos Sakellaridis' if Stefanos Sakellaridis advances against Keegan Smith. This market will resolve to 'Keegan Smith' if Keegan Smith advances against Stefanos Sakellaridis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 26, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Stefanos Sakellaridis and Keegan Smith in the Jinan, originally scheduled for October 12, 2026 at 4:00AM ET. This market will resolve to 'Stefanos Sakellaridis' if Stefanos Sakellaridis advances against Keegan Smith. This market will resolve to 'Keegan Smith' if Keegan Smith advances against Stefanos Sakellaridis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 26, 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their odds based on statistical models and expert analysis, while this market is driven by individuals willing to put their capital behind their beliefs. It’s common to see differences emerge, especially when there's significant public interest or disagreement about the likely outcome. These discrepancies can arise from differing information access, biases, or simply varying interpretations of the available data. Observing these differences can be insightful for informed decision-making.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Sakellaridis vs Smith match. The price of these shares directly reflects the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the price adjusts accordingly, creating a dynamic and real-time assessment of the event's potential results. This means the market price isn't fixed but constantly evolves based on supply and demand.
This market resolves around Oct 19, 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 Sakellaridis vs Smith match as reported by a recognized tennis authority. The platform will verify the final score and determine the winning outcome based on this official data. It's important to note that the resolution process relies on publicly available and verifiable information to ensure a fair and accurate determination of the market’s outcome.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could significantly impact trader sentiment. Unexpected announcements about coaching changes or personal matters affecting either player could also lead to shifts in the market. Furthermore, general tennis news and analysis, along with public opinion and betting trends, can all contribute to price movements. Monitoring these signals will be key to understanding how this market evolves leading up to Oct 19, 2026.