TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 10, 5:53 PM EST
Polymarket
This market refers to the doubles tennis match between Makarova/Sun and Ishii/Kha in the US Open Juniors, Girls, originally scheduled for September 10, 2026 at 12:00PM ET. This market will resolve to 'Makarova/Sun' if the team of Makarova/Sun advances against Ishii/Kha. This market will resolve to 'Ishii/Kha' if the team of Ishii/Kha advances against Makarova/Sun. 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 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 Makarova/Sun and Ishii/Kha in the US Open Juniors, Girls, originally scheduled for September 10, 2026 at 12:00PM ET. This market will resolve to 'Makarova/Sun' if the team of Makarova/Sun advances against Ishii/Kha. This market will resolve to 'Ishii/Kha' if the team of Ishii/Kha advances against Makarova/Sun. 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 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 and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and need to account for profit margins, while this market is driven by traders directly expressing their beliefs about the likelihood of each outcome. If there's a significant discrepancy, it may indicate that the market perceives information differently than sportsbooks, or that one venue has access to unique insights. It's important to compare both to form a well-rounded view of the event's potential results.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the probability of a particular outcome. The price of each 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. The more traders buy shares in a specific outcome, the higher its price becomes, and vice versa. This dynamic pricing reflects the collective intelligence of the market participants and adjusts as new information emerges about the US Open Juniors Girls Doubles match.
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 Girls Doubles match between Makarova/Sun and Ishii/Kha. The winning team as declared by the tournament organizers will determine the winning outcome in this market. Traders will be able to claim their winnings once the resolution is finalized and the results are officially confirmed.
Several factors could influence the price movement of this market. Any news regarding player injuries, changes in playing conditions, or updates on team strategies could all impact trader sentiment. Unexpected performance in earlier rounds of the tournament, or even social media discussions about the players' form, might also cause shifts in the odds. Furthermore, significant betting activity on Polymarket itself can drive price changes, as traders react to each other's actions and new information as it becomes available.