TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 9, 6:58 AM EST
Polymarket
This market refers to the tennis match between Dimitris Sakellaridis and Giammarco Gandolfi in the M25 Pozzuoli, Main Draw, originally scheduled for September 9, 2026 at 4:30AM ET. This market will resolve to 'Dimitris Sakellaridis' if Dimitris Sakellaridis advances against Giammarco Gandolfi. This market will resolve to 'Giammarco Gandolfi' if Giammarco Gandolfi advances against Dimitris Sakellaridis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 Dimitris Sakellaridis and Giammarco Gandolfi in the M25 Pozzuoli, Main Draw, originally scheduled for September 9, 2026 at 4:30AM ET. This market will resolve to 'Dimitris Sakellaridis' if Dimitris Sakellaridis advances against Giammarco Gandolfi. This market will resolve to 'Giammarco Gandolfi' if Giammarco Gandolfi advances against Dimitris Sakellaridis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and to balance action, while this market allows anyone to express their belief about the outcome. It’s common to see discrepancies emerge, especially as new information becomes available or public sentiment shifts. Analyzing these differences can be valuable for informed decision-making, but remember that both represent probabilities, not guarantees, of the final result.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome. The price of these shares directly reflects the implied probability of that outcome occurring. 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 emerges, the price adjusts, providing a dynamic assessment of the event's likelihood. Essentially, the market price represents the aggregate forecast of all participants, making it a unique and potentially insightful indicator.
This market resolves around Sep 16, 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 Pozzuoli match between Dimitris Sakellaridis and Giammarco Gandolfi. The platform will verify the result against publicly available and trusted sources to determine which outcome corresponds to the actual event. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at resolution.
Several factors could influence trading activity in this market. Any news regarding the players’ recent performance, injuries, or changes in their training regimens could significantly shift the odds. Public announcements about match conditions, such as weather forecasts or venue changes, might also play a role. Furthermore, large trading volume from informed participants or shifts in broader public sentiment could lead to noticeable price movements. Monitoring these signals will be key to understanding how this market evolves leading up to the Sep 16, 2026 resolution.