TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 7, 6:11 PM EST
Polymarket
This market refers to the tennis match between Andrew Johnson and Dan Brand in the US Open Juniors, Boys, originally scheduled for September 7, 2026 at 11:00AM ET. This market will resolve to 'Andrew Johnson' if Andrew Johnson advances against Dan Brand. This market will resolve to 'Dan Brand' if Dan Brand 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 21, 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 Dan Brand in the US Open Juniors, Boys, originally scheduled for September 7, 2026 at 11:00AM ET. This market will resolve to 'Andrew Johnson' if Andrew Johnson advances against Dan Brand. This market will resolve to 'Dan Brand' if Dan Brand 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 21, 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 Andrew Johnson winning. The price of these shares fluctuates based on supply and demand, effectively creating a probability estimate. As more people believe Andrew Johnson will win, the price of shares increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market's price reflects the aggregated predictions of all participants, offering a dynamic assessment of the potential outcome. This differs from fixed-odds betting, as the odds continuously adjust until the event concludes.
This market resolves around Sep 14, 2026, with the outcome confirmed once the winner of the US Open Juniors Boys match between Andrew Johnson and Dan Brand is verifiable from credible public reporting. The resolution will be based on the official results published by the US Open tournament organizers. The platform will then determine the winning shares and distribute payouts accordingly. Traders should monitor official sources for the match results to understand when the market will be settled and how their positions will be affected.
Several factors could influence the price of shares in this market. Any news regarding the players' form, injuries, or recent performance in other tournaments could significantly shift sentiment. Unexpected weather conditions during the match could also play a role, potentially favoring one player's style of play over the other. Furthermore, any public statements from tennis analysts or experts offering predictions could impact trading activity. A strong showing by either player in a preceding round of the tournament would also likely move this market.