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, 5:51 AM EST
Polymarket
This market refers to the tennis match between Kenta Nakamura and Ryoma Cogan in the M15 Tanagura, Qualifying, originally scheduled for October 17, 2026 at 10:00PM ET. This market will resolve to 'Kenta Nakamura' if Kenta Nakamura advances against Ryoma Cogan. This market will resolve to 'Ryoma Cogan' if Ryoma Cogan advances against Kenta Nakamura. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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 Kenta Nakamura and Ryoma Cogan in the M15 Tanagura, Qualifying, originally scheduled for October 17, 2026 at 10:00PM ET. This market will resolve to 'Kenta Nakamura' if Kenta Nakamura advances against Ryoma Cogan. This market will resolve to 'Ryoma Cogan' if Ryoma Cogan advances against Kenta Nakamura. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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 wisdom-of-the-crowd perspective, potentially differing from sportsbook odds which may be influenced by house biases or initial public perception. Sportsbooks often set lines to attract balanced betting, while this market allows participants to directly express their beliefs. Discrepancies can arise due to differing levels of information available to each group, or simply because of varying analytical approaches. It’s common to see prediction markets move more efficiently as new information becomes available, potentially offering a more accurate assessment of the true probabilities than traditional betting venues.
On Polymarket, this market is priced through a continuous auction mechanism, where shares representing different outcomes are bought and sold. The price of a share directly reflects the implied probability of that outcome occurring. As more traders 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. This dynamic pricing allows the market to quickly incorporate new information and adjust its predictions accordingly. The market's efficiency depends on the participation of informed traders and the availability of relevant data regarding the fighters and their performance.
This market resolves around Oct 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the M15 Tanagura: Kenta Nakamura vs Ryoma Cogan match. The platform will verify the winner through official fight records and announcements from the event organizers. Any disputes or ambiguities will be resolved based on the most widely accepted and reliable sources of information available at that time. Traders will then be able to claim their winnings based on the final outcome.
Several factors could significantly impact this market. News regarding fighter injuries, changes in training regimens, or even pre-fight press conference statements could all shift trader sentiment. Unexpected analysis from MMA experts or changes in public perception of each fighter's strengths and weaknesses could also play a role. Additionally, any updates on the fighters’ physical condition or tactical approaches leading up to the match will likely influence trading activity. A strong performance by either fighter in a recent exhibition or sparring session might also move the market.