TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 18, 7:41 PM EST
Polymarket
This market refers to the tennis match between Nikolai Marin and Ioannis Stamatopoulos in the M15 Heraklion, Qualifying, originally scheduled for October 18, 2026 at 3:30AM ET. This market will resolve to 'Nikolai Marin' if Nikolai Marin advances against Ioannis Stamatopoulos. This market will resolve to 'Ioannis Stamatopoulos' if Ioannis Stamatopoulos advances against Nikolai Marin. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Nikolai Marin and Ioannis Stamatopoulos in the M15 Heraklion, Qualifying, originally scheduled for October 18, 2026 at 3:30AM ET. This market will resolve to 'Nikolai Marin' if Nikolai Marin advances against Ioannis Stamatopoulos. This market will resolve to 'Ioannis Stamatopoulos' if Ioannis Stamatopoulos advances against Nikolai Marin. 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 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 their odds based on statistical models and the expertise of oddsmakers, while this market aggregates the beliefs of many individuals. It’s common to see discrepancies between the two, especially before significant events or when new information emerges. Analyzing these differences can be valuable for identifying potential mispricings and making informed predictions about the Marin vs Stamatopoulos match.
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 Marin vs Stamatopoulos match, as determined by the governing sports authority. The platform will verify the result against publicly available sources to ensure accuracy and transparency. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment.
Several signals or events could significantly move this market before Oct 25, 2026. Any news regarding player injuries, changes in coaching strategies, or unexpected developments in the lead-up to the Marin vs Stamatopoulos match could influence trader sentiment. Public announcements about player form, weather conditions affecting the match, or even significant betting activity in traditional sportsbooks could also trigger price fluctuations. Monitoring these factors will be crucial for understanding how this market evolves as the event approaches.