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 6, 1:32 PM EST
Polymarket
This market refers to the tennis match between Ryan Cozad and Thilo Behrmann in the US Open Juniors, Boys, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Ryan Cozad' if Ryan Cozad advances against Thilo Behrmann. This market will resolve to 'Thilo Behrmann' if Thilo Behrmann advances against Ryan Cozad. 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 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 Ryan Cozad and Thilo Behrmann in the US Open Juniors, Boys, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Ryan Cozad' if Ryan Cozad advances against Thilo Behrmann. This market will resolve to 'Thilo Behrmann' if Thilo Behrmann advances against Ryan Cozad. 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 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.
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 participate and express their views, the price adjusts to find an equilibrium point, representing the collective forecast. The current price indicates the implied probability of a given player winning, as determined by the traders on Polymarket.
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 Juniors Boys match. The player who wins the match, as officially declared by the tournament organizers, will be considered the winning outcome for this market. Any protests or appeals must be resolved before the outcome is finalized and the market is settled.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could all impact trader sentiment. Unexpected upsets in earlier rounds of the tournament could also cause a reassessment of each player's chances. Furthermore, significant betting activity or large trades on Polymarket could create momentum and lead to price fluctuations as traders react to each other’s actions.