TOTAL VOLUME:
$154.7b
24H VOL:
$279,496,801
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,923,931,766
416,910
Markets across
40,107
events
MATCHED EVENTS:
4,571
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 26, 6:48 PM EST
Polymarket
This market refers to the tennis match between Kosuke Shibano and Ryoma Cogan in the M15 Yanagawa City, Qualifying, originally scheduled for October 25, 2026 at 10:00PM ET. This market will resolve to 'Kosuke Shibano' if Kosuke Shibano advances against Ryoma Cogan. This market will resolve to 'Ryoma Cogan' if Ryoma Cogan advances against Kosuke Shibano. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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 Kosuke Shibano and Ryoma Cogan in the M15 Yanagawa City, Qualifying, originally scheduled for October 25, 2026 at 10:00PM ET. This market will resolve to 'Kosuke Shibano' if Kosuke Shibano advances against Ryoma Cogan. This market will resolve to 'Ryoma Cogan' if Ryoma Cogan advances against Kosuke Shibano. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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 probability of each outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more people trade, the price adjusts to reflect the collective wisdom of the market participants. The market's price is determined solely by supply and demand for shares, and there are no external factors influencing the pricing process.
This market resolves around Nov 2, 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 Kosuke Shibano versus Ryoma Cogan match, as reported by the governing body or official sources for this competition. The platform will verify the result against these sources to determine the winning outcome and distribute payouts to shareholders accordingly. This ensures a transparent and accurate resolution process for all participants.
Several factors could influence the price of this market before resolution. Any news regarding the condition of either Kosuke Shibano or Ryoma Cogan, such as injuries or illness, would likely have a significant impact. Performance in recent matches, changes in coaching strategies, or even weather conditions (if the match is outdoors) could also shift market sentiment. Unexpected announcements or public statements from either athlete or their teams could also trigger price movements in this market, as traders react to new information.