TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 10, 11:54 PM EST
Polymarket
This market refers to the tennis match between Hiromasa Koyama and Wishaya Trongcharoenchaikul in the M15 Wuning, Main Draw, originally scheduled for September 10, 2026 at 10:00PM ET. This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Wishaya Trongcharoenchaikul. This market will resolve to 'Wishaya Trongcharoenchaikul' if Wishaya Trongcharoenchaikul advances against Hiromasa Koyama. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 24, 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 Hiromasa Koyama and Wishaya Trongcharoenchaikul in the M15 Wuning, Main Draw, originally scheduled for September 10, 2026 at 10:00PM ET. This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Wishaya Trongcharoenchaikul. This market will resolve to 'Wishaya Trongcharoenchaikul' if Wishaya Trongcharoenchaikul advances against Hiromasa Koyama. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 24, 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 trading mechanism where users buy and sell shares representing their belief in 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 traders buy shares in a particular outcome, its price increases, reflecting growing confidence. Conversely, selling pressure drives prices down. This dynamic process creates a market-driven forecast, constantly adjusting as new information becomes available and traders update their views on the Koyama vs. Trongcharoenchaikul match.
This market resolves around Sep 18, 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 Wuning match between Hiromasa Koyama and Wishaya Trongcharoenchaikul. The platform will verify the result against publicly available sources to determine the winning outcome. Traders holding shares in the correct outcome will be entitled to a payout based on the final market price at the time of resolution. It's important to monitor the event's progress leading up to this date.
Several signals could influence this market before Sep 18, 2026. Any news regarding player injuries, changes in form, or tactical adjustments could shift trader sentiment. Unexpected announcements about the match conditions or venue could also have an impact. Public statements from analysts or experts offering their predictions might sway opinions, as could significant betting activity on traditional sportsbooks. Ultimately, any information perceived as relevant to the outcome of the Koyama vs. Trongcharoenchaikul match has the potential to move the market.