TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 7, 6:00 PM EST
Polymarket
This market refers to the doubles tennis match between Miguel/Sesko and Alfano/Ciurnelli in the US Open Juniors, Boys, originally scheduled for September 7, 2026 at 3:30PM ET. This market will resolve to 'Miguel/Sesko' if the team of Miguel/Sesko advances against Alfano/Ciurnelli. This market will resolve to 'Alfano/Ciurnelli' if the team of Alfano/Ciurnelli advances against Miguel/Sesko. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Miguel/Sesko and Alfano/Ciurnelli in the US Open Juniors, Boys, originally scheduled for September 7, 2026 at 3:30PM ET. This market will resolve to 'Miguel/Sesko' if the team of Miguel/Sesko advances against Alfano/Ciurnelli. This market will resolve to 'Alfano/Ciurnelli' if the team of Alfano/Ciurnelli advances against Miguel/Sesko. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, incorporating a profit margin. This market, however, is driven by traders who are incentivized to accurately forecast the outcome, potentially leading to more efficient pricing. Discrepancies can arise due to differing information, biases, or simply variations in how each entity assesses the probabilities of each team winning.
On Polymarket, this market is priced through a continuous trading mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares in a particular outcome, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current market indicates what traders collectively believe about the likelihood of Miguel/Sesko and Alfano/Ciurnelli winning this doubles match.
This market resolves around Sep 14, 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' Doubles match between Miguel/Sesko and Alfano/Ciurnelli. The winning team as declared by the tournament organizers will determine the settled outcome of this market. Traders will be able to claim their winnings once the result is officially confirmed and processed by Polymarket.
Several factors could influence the price of this market before the match concludes. Any news regarding player injuries, changes in playing conditions, or updated performance analyses could shift trader sentiment. Unexpected results in earlier rounds of the tournament involving these players might also impact expectations. Furthermore, significant trading volume from informed participants could signal new information or a change in perceived probabilities, leading to price adjustments in this market.