TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 13, 1:00 AM EST
Polymarket
This market refers to the tennis match between Yuta Kawahashi and Martin Borisiouk in the Phan Thiet 4, Vietnam, Qualifying, originally scheduled for September 12, 2026 at 11:00PM ET. This market will resolve to 'Yuta Kawahashi' if Yuta Kawahashi advances against Martin Borisiouk. This market will resolve to 'Martin Borisiouk' if Martin Borisiouk advances against Yuta Kawahashi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Yuta Kawahashi and Martin Borisiouk in the Phan Thiet 4, Vietnam, Qualifying, originally scheduled for September 12, 2026 at 11:00PM ET. This market will resolve to 'Yuta Kawahashi' if Yuta Kawahashi advances against Martin Borisiouk. This market will resolve to 'Martin Borisiouk' if Martin Borisiouk advances against Yuta Kawahashi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 26, 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own modeling and profit margins, while this market is driven by individuals willing to put their capital behind their beliefs. If a significant number of traders believe a sportsbook is undervaluing a particular outcome, the prediction market odds may move in the opposite direction. This can create opportunities for arbitrage or simply a different perspective on the likely result of the match.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of these shares directly reflects the 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, the price increases, and vice versa. This creates a dynamic pricing system that aggregates the opinions of many individuals into a single, quantifiable probability. The current implied probability of a particular outcome is visible directly on the Polymarket dashboard.
This market resolves around Sep 20, 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 Phan Thiet 4 tennis match between Yuta Kawahashi and Martin Borisiouk. This includes verifying the match completion and the declared winner according to official tournament records. Traders will then be able to claim their winnings based on the final outcome of the match and their holdings in the market.
Several factors could influence the price of this market before the Sep 20, 2026 resolution. Any news regarding player injuries, changes in playing conditions, or updated performance statistics could shift trader sentiment. Unexpected upsets in other matches featuring either player could also impact confidence levels. Furthermore, large trading volume from informed individuals or groups could create significant price movements. Monitoring these signals and analyzing their potential impact is crucial for traders looking to capitalize on opportunities in this market.