TOTAL VOLUME:
$154.4b
24H VOL:
$230,589,906
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,885,293,300
410,482
Markets across
40,213
events
MATCHED EVENTS:
4,340
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 19, 2:59 AM EST
Polymarket
This market refers to the tennis match between Ryoma Cogan and Seiya Nakanishi in the M15 Tanagura, Qualifying, originally scheduled for October 18, 2026 at 8:00PM ET. This market will resolve to 'Ryoma Cogan' if Ryoma Cogan advances against Seiya Nakanishi. This market will resolve to 'Seiya Nakanishi' if Seiya Nakanishi advances against Ryoma Cogan. 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 Ryoma Cogan and Seiya Nakanishi in the M15 Tanagura, Qualifying, originally scheduled for October 18, 2026 at 8:00PM ET. This market will resolve to 'Ryoma Cogan' if Ryoma Cogan advances against Seiya Nakanishi. This market will resolve to 'Seiya Nakanishi' if Seiya Nakanishi advances against Ryoma Cogan. 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.
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 corresponds to the implied probability of that outcome occurring. As more people 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. The market efficiently aggregates information as traders adjust their positions based on new data and insights, leading to a dynamic and evolving price reflecting collective expectations for the Tanagura MMA match.
This market resolves around Oct 26, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result declared by the event organizers, determining which fighter won the Tanagura MMA match. The platform will then verify the result against publicly available sources to ensure accuracy and finalize the market settlement. Traders holding shares in the winning outcome will receive a payout, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence trading activity and shift the odds in this market. News regarding fighter injuries, changes in training regimens, or even pre-fight press conference statements could all impact trader sentiment. Unexpected analysis from MMA experts or shifts in public opinion could also lead to significant price movements. Any information that alters the perceived probability of either fighter winning the Tanagura MMA match is likely to be reflected in the market price, creating trading opportunities for those who react quickly to new developments.