TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 6, 3:03 PM EST
Polymarket
This market refers to the doubles tennis match between Nys/Roger-Vasselin and Balaji/King in the US Open ATP, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Nys/Roger-Vasselin' if the team of Nys/Roger-Vasselin advances against Balaji/King. This market will resolve to 'Balaji/King' if the team of Balaji/King advances against Nys/Roger-Vasselin. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Nys/Roger-Vasselin and Balaji/King in the US Open ATP, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Nys/Roger-Vasselin' if the team of Nys/Roger-Vasselin advances against Balaji/King. This market will resolve to 'Balaji/King' if the team of Balaji/King advances against Nys/Roger-Vasselin. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.
Currently, prediction market odds often reflect a similar assessment to those found at sportsbooks, but can diverge based on information available to traders on Polymarket. Sportsbooks typically set initial lines based on player rankings, historical performance, and other statistical data. However, this market allows for the incorporation of more nuanced factors, such as late-breaking news about player injuries or changes in playing conditions. If a significant number of traders believe a sportsbook has mispriced the outcome, the odds here can move in a different direction, potentially offering value to informed participants.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the probability of Nys/Roger-Vasselin winning against Balaji/King. As more shares are purchased for a particular outcome, the price of those shares increases, reflecting a higher implied probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movement is driven by supply and demand, with traders effectively betting against each other. This creates a dynamic pricing system that attempts to reflect the collective wisdom of the crowd participating in this market.
This market resolves around Sep 13, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the US Open ATP (Doubles) match between Nys/Roger-Vasselin and Balaji/King. The platform will verify the result against official tournament data to determine which team emerged victorious. Traders holding shares in the winning outcome will be paid out according to the final market price at the time of resolution.
Several signals could significantly impact this market. Any news regarding player injuries to either Nys, Roger-Vasselin, Balaji, or King would likely cause price movement. Unexpected changes in weather conditions at the US Open could also influence the odds, as certain players may perform better in different conditions. Furthermore, performance in preceding matches leading up to this contest, or even strategic adjustments observed during the match itself, could all contribute to shifts in the market as traders react to new information and reassess the probabilities.