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 10, 6:35 PM EST
Polymarket
This market refers to the tennis match between Jack Kennedy and Jamie Mackenzie in the US Open Juniors, Boys, originally scheduled for September 10, 2026 at 12:00PM ET. This market will resolve to 'Jack Kennedy' if Jack Kennedy advances against Jamie Mackenzie. This market will resolve to 'Jamie Mackenzie' if Jamie Mackenzie advances against Jack Kennedy. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 24, 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 Jack Kennedy and Jamie Mackenzie in the US Open Juniors, Boys, originally scheduled for September 10, 2026 at 12:00PM ET. This market will resolve to 'Jack Kennedy' if Jack Kennedy advances against Jamie Mackenzie. This market will resolve to 'Jamie Mackenzie' if Jamie Mackenzie advances against Jack Kennedy. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 24, 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.
Generally, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines to balance action, while this market allows traders to continuously adjust probabilities based on new information and their own analysis. If sportsbook odds suggest a clear favorite, this market might show a more nuanced view, especially if there's disagreement among traders about potential upsets or the impact of specific player strengths. It’s helpful to compare both to get a comprehensive understanding of the expected outcome.
On Polymarket, this market is priced through a continuous trading mechanism where users buy and sell shares representing their belief in a particular outcome. The price of a share directly corresponds to the implied 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 player, the price increases, reflecting growing confidence in their chances of winning. Conversely, selling shares lowers the price, indicating decreasing confidence. This dynamic process ensures the market price reflects the collective intelligence of the traders.
This market resolves around Sep 17, 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, determining which player emerged victorious. The platform will verify the result against official tournament records and reporting to ensure accuracy and transparency. Traders holding shares in the winning player will receive a payout, while those holding shares in the losing player will not.
Several factors could influence trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could significantly shift the odds. Unexpected results in earlier rounds of the tournament, or even comments from analysts predicting a specific outcome, could also drive trading volume and price fluctuations. Strong performances by either player in practice sessions leading up to the match could also impact trader sentiment and move this market.