TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Nov 1, 12:44 AM EST
Polymarket
This market refers to the tennis match between Hikaru Shiraishi and Taiyo Yamanaka in the M15 Yanagawa City, Main Draw, originally scheduled for October 31, 2026 at 9:00PM ET. This market will resolve to 'Hikaru Shiraishi' if Hikaru Shiraishi advances against Taiyo Yamanaka. This market will resolve to 'Taiyo Yamanaka' if Taiyo Yamanaka advances against Hikaru Shiraishi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 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 Hikaru Shiraishi and Taiyo Yamanaka in the M15 Yanagawa City, Main Draw, originally scheduled for October 31, 2026 at 9:00PM ET. This market will resolve to 'Hikaru Shiraishi' if Hikaru Shiraishi advances against Taiyo Yamanaka. This market will resolve to 'Taiyo Yamanaka' if Taiyo Yamanaka advances against Hikaru Shiraishi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 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 traditional sportsbook odds. Sportsbooks set lines based on their own analysis and aim to balance action on both sides, while this market aggregates the beliefs of many individual bettors. If a significant discrepancy exists between prediction market probabilities and sportsbook lines, it could indicate that the market perceives information differently or has identified an edge that sportsbooks haven’t. However, it's important to remember that both represent probabilities of an outcome, and neither guarantees accuracy.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the likelihood of a particular outcome. The price of these shares fluctuates based on supply and demand, effectively creating a probability distribution. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders believe an outcome will occur, the higher the price of shares representing that outcome will rise, and vice versa. This dynamic pricing reflects the collective intelligence of the market participants, constantly updating as new information becomes available.
This market resolves around Nov 8, 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 Yanagawa City match between Hikaru Shiraishi and Taiyo Yamanaka. The platform will verify the winner against publicly available sources to determine the final outcome and distribute payouts accordingly. Traders should monitor official announcements regarding the match result to understand when the market will be settled.
Several factors could influence the price of shares in this market leading up to Nov 8, 2026. Any news regarding the physical condition of either Hikaru Shiraishi or Taiyo Yamanaka, such as injuries or illness, could significantly shift the odds. Changes in publicly available rankings or recent performance data could also impact trader sentiment. Unexpected announcements related to the match itself, like venue changes or rule modifications, could also cause price fluctuations. Ultimately, any information that alters perceptions of each competitor’s chances of winning has the potential to move this market.