TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 29, 2:42 AM EST
Polymarket
This market refers to the tennis match between Theo Papamalamis and Alex Rybakov in the M25 Norman, OK, Main Draw, originally scheduled for October 28, 2026 at 12:30PM ET. This market will resolve to 'Theo Papamalamis' if Theo Papamalamis advances against Alex Rybakov. This market will resolve to 'Alex Rybakov' if Alex Rybakov advances against Theo Papamalamis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 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 Theo Papamalamis and Alex Rybakov in the M25 Norman, OK, Main Draw, originally scheduled for October 28, 2026 at 12:30PM ET. This market will resolve to 'Theo Papamalamis' if Theo Papamalamis advances against Alex Rybakov. This market will resolve to 'Alex Rybakov' if Alex Rybakov advances against Theo Papamalamis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 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 wisdom of the crowd, potentially differing from sportsbook odds which can be influenced by factors like house bias or initial public perception. Sportsbooks typically set lines to balance betting action and ensure profitability, while this market allows traders to freely express their beliefs about the outcome. If a significant discrepancy exists between this market and sportsbook odds, it may indicate that prediction market participants have access to information or insights not fully incorporated into the sportsbook lines. It's worth noting that both represent probabilities, but are derived through different mechanisms.
This market resolves around Nov 4, 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 Papamalamis vs Rybakov match. Any official announcements regarding the match's completion and the declared winner will serve as the basis for determining the outcome of this market. Traders should monitor official sources for updates as the resolution date approaches to understand how the event will be verified and the market settled.
Several signals could influence this market before resolution. News regarding player form, injuries, or changes in coaching strategy for either Theo Papamalamis or Alex Rybakov could significantly shift trader sentiment. Unexpected results in related matches or tournaments could also impact perceptions of each player's chances. Any public statements from the players themselves or from experts analyzing the matchup could also cause movement. Ultimately, any information that alters the perceived probability of either player winning is likely to affect the price of shares in this market.