TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 18, 6:19 AM EST
Polymarket
This market refers to the tennis match between Mattia Nannelli and Dimitris Sakellaridis in the Florence, Italy, Qualifying, originally scheduled for October 18, 2026 at 4:00AM ET. This market will resolve to 'Mattia Nannelli' if Mattia Nannelli advances against Dimitris Sakellaridis. This market will resolve to 'Dimitris Sakellaridis' if Dimitris Sakellaridis advances against Mattia Nannelli. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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 Mattia Nannelli and Dimitris Sakellaridis in the Florence, Italy, Qualifying, originally scheduled for October 18, 2026 at 4:00AM ET. This market will resolve to 'Mattia Nannelli' if Mattia Nannelli advances against Dimitris Sakellaridis. This market will resolve to 'Dimitris Sakellaridis' if Dimitris Sakellaridis advances against Mattia Nannelli. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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 discrepancies between the two, especially when there's significant public interest or disagreement about the likely outcome. Comparing the implied probabilities can reveal where the crowd differs from professional oddsmakers.
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 a share directly corresponds to the probability of that outcome occurring. As more people buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market's price reflects the aggregated sentiment of all participants, creating a dynamic and real-time assessment of the event's potential results. This allows traders to express their views and profit if their predictions prove accurate.
This market resolves around Oct 25, 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 Florence match between Mattia Nannelli and Dimitris Sakellaridis. The platform will rely on publicly available and authoritative sources to determine the winner, ensuring a transparent and objective assessment. Traders will then be able to claim their winnings based on the final result.
Several factors could influence the price of this market before it resolves. Any news regarding the players' form, potential injuries, or changes in playing conditions could shift trader sentiment. Unexpected announcements about team strategies or even weather forecasts could also play a role. Public opinion, as reflected in polls or expert analysis, might also impact trading activity. Ultimately, any information that alters perceptions of the players' chances of winning could cause the market to move.