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 8, 3:35 PM EST
Polymarket
This market refers to the doubles tennis match between Efremova/Pinera and Jeong/Lin in the US Open Juniors, Girls, originally scheduled for September 7, 2026 at 11:00AM ET. This market will resolve to 'Efremova/Pinera' if the team of Efremova/Pinera advances against Jeong/Lin. This market will resolve to 'Jeong/Lin' if the team of Jeong/Lin advances against Efremova/Pinera. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Efremova/Pinera and Jeong/Lin in the US Open Juniors, Girls, originally scheduled for September 7, 2026 at 11:00AM ET. This market will resolve to 'Efremova/Pinera' if the team of Efremova/Pinera advances against Jeong/Lin. This market will resolve to 'Jeong/Lin' if the team of Jeong/Lin advances against Efremova/Pinera. 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 WTA Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd, often differing from initial sportsbook lines due to the diverse perspectives of traders. Sportsbooks set initial odds based on their own analysis, while this market aggregates the beliefs of many individuals. If a significant number of traders believe a particular outcome is more likely than the sportsbook suggests, the odds on Polymarket will shift accordingly, potentially offering better value than traditional sports betting options. However, it's important to note that both represent probabilities and can be influenced by various factors.
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 Efremova/Pinera and Jeong/Lin winning the US Open Juniors Girls Doubles. 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 outcome, the higher its price rises, and vice versa. This dynamic pricing ensures the market reflects the collective intelligence of all participants, creating a real-time assessment of the event's likely result.
This market resolves around Sep 14, 2026, with the outcome confirmed once the official results of the US Open Juniors Girls Doubles match are verifiable from credible public reporting. Resolution will be based on the official tournament results published by the US Open organizers, determining which team – Efremova/Pinera or Jeong/Lin – ultimately wins the match. Traders will then be able to claim their winnings based on the final outcome and their positions in this market.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or updates on team strategies could impact trader sentiment. Strong performances by either team in preceding matches of the US Open Juniors tournament could also lead to increased confidence and a corresponding movement in the market. Unexpected upsets in other matches within the tournament could also indirectly affect perceptions of the likely winner of this particular matchup, driving volume and price changes.