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 2, 7:32 AM EST
Polymarket
This market refers to the tennis match between Petros Tsitsipas and Arthur Nagel in the M25 Casablanca, Main Draw, originally scheduled for September 2, 2026 at 5:00AM ET. This market will resolve to 'Petros Tsitsipas' if Petros Tsitsipas advances against Arthur Nagel. This market will resolve to 'Arthur Nagel' if Arthur Nagel advances against Petros Tsitsipas. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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 Petros Tsitsipas and Arthur Nagel in the M25 Casablanca, Main Draw, originally scheduled for September 2, 2026 at 5:00AM ET. This market will resolve to 'Petros Tsitsipas' if Petros Tsitsipas advances against Arthur Nagel. This market will resolve to 'Arthur Nagel' if Arthur Nagel advances against Petros Tsitsipas. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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 offer a different perspective than traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, while this market aims to reflect the true probability as assessed by traders. However, discrepancies can occur due to differing information, biases, or market liquidity. It's common to see this market align with sportsbook odds as the event approaches and more information becomes available, but early on, there can be significant differences. Analyzing these differences can reveal insights into public perception and potential value.
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 reflects the implied probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective wisdom of the crowd. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price indicates what traders are willing to pay for a share, and therefore, their assessment of the likelihood of a particular result in the Tsitsipas vs Nagel match. The market's efficiency depends on active participation and informed trading.
This market resolves around Sep 9, 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 Casablanca match between Petros Tsitsipas and Arthur Nagel, as reported by a recognized tennis authority. The platform will verify the result against these sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for the final result to understand when this market will be settled.
Several factors could influence the price of this market before resolution. Any news regarding player form, injuries, or changes in playing conditions could significantly impact trader sentiment. Unexpected upsets in earlier rounds of the tournament, or even weather forecasts affecting the match schedule, could also cause shifts in the odds. Furthermore, large trades by influential participants or changes in overall market volume can create momentum and drive price movements. Monitoring tennis news and observing trading activity on Polymarket will be key to understanding potential catalysts.