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 12, 9:09 PM EST
Polymarket
This market refers to the tennis match between Filipe Bullamah and Guilherme Barbieri Renner in the M15 Maringa, Qualifying, originally scheduled for October 12, 2026 at 4:55PM ET. This market will resolve to 'Filipe Bullamah' if Filipe Bullamah advances against Guilherme Barbieri Renner. This market will resolve to 'Guilherme Barbieri Renner' if Guilherme Barbieri Renner advances against Filipe Bullamah. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 26, 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 Filipe Bullamah and Guilherme Barbieri Renner in the M15 Maringa, Qualifying, originally scheduled for October 12, 2026 at 4:55PM ET. This market will resolve to 'Filipe Bullamah' if Filipe Bullamah advances against Guilherme Barbieri Renner. This market will resolve to 'Guilherme Barbieri Renner' if Guilherme Barbieri Renner advances against Filipe Bullamah. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 26, 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 reflect a different kind of wisdom than those found at sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, and may adjust lines to balance betting action. This market, however, is driven purely by individuals’ beliefs about the outcome, expressed through trading. While sportsbooks may initially set odds based on analysis, prediction markets can dynamically adjust based on new information and collective insight. It’s common to see discrepancies between the two, particularly as new information emerges before the event.
This market resolves around Oct 19, 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 Bullamah vs Renner fight, as declared by the relevant sporting authority. The platform will verify the result against established sources to determine the winning outcome. 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. This process ensures a transparent and objective determination of the market’s outcome.
Several factors could influence trading activity in this market. Any news regarding injuries to either fighter, changes in their training regimens, or even pre-fight press conference statements could shift sentiment. Unexpected announcements about weight class changes or alterations to the fight’s rules could also have a significant impact. Public opinion, as reflected in polls or analyst predictions, could also cause traders to reassess their positions. Ultimately, any information that alters the perceived probability of either fighter winning is likely to move the market.