TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 7, 11:48 PM EST
Polymarket
This market refers to the tennis match between Yusuke Takahashi and Hikaru Shiraishi in the M25 Sapporo, Main Draw, originally scheduled for September 7, 2026 at 9:00PM ET. This market will resolve to 'Yusuke Takahashi' if Yusuke Takahashi advances against Hikaru Shiraishi. This market will resolve to 'Hikaru Shiraishi' if Hikaru Shiraishi advances against Yusuke Takahashi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 21, 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 Yusuke Takahashi and Hikaru Shiraishi in the M25 Sapporo, Main Draw, originally scheduled for September 7, 2026 at 9:00PM ET. This market will resolve to 'Yusuke Takahashi' if Yusuke Takahashi advances against Hikaru Shiraishi. This market will resolve to 'Hikaru Shiraishi' if Hikaru Shiraishi advances against Yusuke Takahashi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 21, 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 a different set of information and incentives than traditional sportsbooks. While sportsbooks primarily cater to casual bettors and may incorporate a 'vig' to ensure profitability, this market aggregates the views of more informed traders who have a financial stake in accurate predictions. Consequently, you might find that the implied probabilities in this market diverge from sportsbook odds, particularly as new information emerges or as the event draws closer. It’s common to see prediction markets outperform sportsbooks in terms of forecast accuracy, though this isn’t always the case.
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 each 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 traders participate and express their views, the price adjusts to reflect the collective assessment of the market. This dynamic pricing ensures that the market odds are constantly updated and responsive to new information. The current price reflects the aggregated predictions of all participants.
This market resolves around Sep 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result of the Takahashi vs Shiraishi match will be used to determine the winning share. The platform will rely on official results and widely accepted sources to verify the outcome and distribute payouts accordingly. It’s important to note that the resolution process is designed to be objective and transparent, ensuring a fair outcome for all traders involved in this market.
Several factors could influence the trading activity and price movement in this market. Any news regarding the condition of either Yusuke Takahashi or Hikaru Shiraishi, such as injuries or changes in training regimens, could significantly impact the odds. Additionally, analysis from sports commentators or shifts in public opinion could also play a role. Unexpected announcements about the match schedule or venue could also introduce volatility. Ultimately, any information that alters perceptions of the likely outcome has the potential to move this market before Sep 15, 2026.