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 9, 3:14 PM EST
Polymarket
This market refers to the tennis match between Andrew Johnson and Thilo Behrmann in the US Open Juniors, Boys, originally scheduled for September 9, 2026 at 11:00AM ET. This market will resolve to 'Andrew Johnson' if Andrew Johnson advances against Thilo Behrmann. This market will resolve to 'Thilo Behrmann' if Thilo Behrmann advances against Andrew Johnson. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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 Andrew Johnson and Thilo Behrmann in the US Open Juniors, Boys, originally scheduled for September 9, 2026 at 11:00AM ET. This market will resolve to 'Andrew Johnson' if Andrew Johnson advances against Thilo Behrmann. This market will resolve to 'Thilo Behrmann' if Thilo Behrmann advances against Andrew Johnson. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 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. Traders buy and sell shares representing their belief in the likelihood of a particular outcome. As more shares are purchased for a specific outcome, its price increases, reflecting a higher probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a share directly corresponds to the implied probability of that outcome occurring. This dynamic pricing ensures that the market reflects the most up-to-date collective assessment of the event's potential results, based on the information and analysis of all participants.
This market resolves around Sep 16, 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, as declared by the tournament organizers. The market will determine which player is officially recorded as the winner of the match. This ensures a clear and objective determination of the outcome, based on the established rules and results of the competition.
Several factors could influence trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updated rankings could shift trader sentiment. Unexpected upsets in earlier rounds of the tournament could also impact perceptions of the players’ chances. Furthermore, analysis from tennis experts or shifts in public opinion, as reflected in social media or other polls, could all contribute to price movements. Monitoring these signals will be key to understanding how this market evolves as the US Open Juniors Boys match approaches.