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, 4:45 PM EST
Polymarket
This market refers to the tennis match between Mark Ceban and Yoshihiro Sakurai in the US Open Juniors, Boys, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Mark Ceban' if Mark Ceban advances against Yoshihiro Sakurai. This market will resolve to 'Yoshihiro Sakurai' if Yoshihiro Sakurai advances against Mark Ceban. 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 Mark Ceban and Yoshihiro Sakurai in the US Open Juniors, Boys, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Mark Ceban' if Mark Ceban advances against Yoshihiro Sakurai. This market will resolve to 'Yoshihiro Sakurai' if Yoshihiro Sakurai advances against Mark Ceban. 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.
Typically, prediction market odds offer a different perspective than those found at traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, while prediction markets aim to reflect the true probabilities as assessed by traders. It's common to see prediction markets, like this one, provide more accurate forecasts, especially when there's significant public interest and trading volume. However, sportsbook odds can still be a useful data point for comparison, offering a contrasting view on the likely outcome of the US Open Juniors Boys match.
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 implied probability of each player winning the US Open Juniors Boys match. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more shares purchased for a particular player, the higher their price rises, indicating increased confidence in their victory. This dynamic pricing system allows the market to quickly incorporate new information and adjust probabilities as the event approaches.
This market resolves around Sep 13, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the US Open Juniors Boys match between Mark Ceban and Yoshihiro Sakurai, as declared by the tournament organizers. The market will determine which player ultimately won the match and will settle accordingly. Traders should monitor official sources for the final result to understand how this market will be settled.
Several factors could influence the trading activity and shift the odds in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly impact trader sentiment. Unexpected results in earlier rounds of the tournament featuring either player could also cause a reassessment of their chances. Furthermore, expert analysis or public opinion shifts regarding the players’ strengths and weaknesses could drive trading volume and alter the probabilities reflected in this market for the US Open Juniors Boys match.