TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 22, 5:07 AM EST
Polymarket
This market refers to the tennis match between Mutsumi Uemura and Chihiro Muramatsu in the W50 Nanao, Main Draw, originally scheduled for September 21, 2026 at 11:00PM ET. This market will resolve to 'Mutsumi Uemura' if Mutsumi Uemura advances against Chihiro Muramatsu. This market will resolve to 'Chihiro Muramatsu' if Chihiro Muramatsu advances against Mutsumi Uemura. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 Mutsumi Uemura and Chihiro Muramatsu in the W50 Nanao, Main Draw, originally scheduled for September 21, 2026 at 11:00PM ET. This market will resolve to 'Mutsumi Uemura' if Mutsumi Uemura advances against Chihiro Muramatsu. This market will resolve to 'Chihiro Muramatsu' if Chihiro Muramatsu advances against Mutsumi Uemura. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 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 wisdom-of-the-crowd perspective, potentially differing from sportsbook odds which can be influenced by house biases or initial public perception. While sportsbooks set lines based on statistical models and expert analysis, this market allows anyone to express their belief about the outcome, leading to potentially more accurate probabilities as new information emerges. It’s common to see discrepancies, especially before significant events or when public sentiment shifts, offering opportunities for informed traders.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in each outcome. The price of a share directly reflects 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 shares are traded, the price adjusts to reflect the collective intelligence of the market participants. This dynamic pricing ensures that the market odds remain responsive to new information and changing sentiment surrounding the Mutsumi Uemura vs Chihiro Muramatsu match.
This market resolves around Sep 29, 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 Mutsumi Uemura vs Chihiro Muramatsu match, as determined by the governing sports organization. Traders will be able to claim their winnings based on the final, verified outcome, and the market will close once the result is confirmed. The platform will handle the distribution of funds to winning shareholders.
Several factors could influence the trading activity and price movement in this market. Any news regarding player injuries, changes in form, or strategic adjustments could significantly impact the perceived probabilities. Unexpected announcements about match conditions or referee assignments might also cause shifts in the market. Furthermore, major upsets in related matches or broader tournament dynamics could influence trader sentiment and lead to increased volume and price volatility before Sep 29, 2026.