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 8, 2:07 PM EST
Polymarket
This market refers to the doubles tennis match between Makarova/Sun and Pistola/Rivoli in the US Open Juniors, Girls, originally scheduled for September 7, 2026 at 11:00AM ET. This market will resolve to 'Makarova/Sun' if the team of Makarova/Sun advances against Pistola/Rivoli. This market will resolve to 'Pistola/Rivoli' if the team of Pistola/Rivoli 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 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 Makarova/Sun and Pistola/Rivoli in the US Open Juniors, Girls, originally scheduled for September 7, 2026 at 11:00AM ET. This market will resolve to 'Makarova/Sun' if the team of Makarova/Sun advances against Pistola/Rivoli. This market will resolve to 'Pistola/Rivoli' if the team of Pistola/Rivoli 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 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. Sportsbooks set odds based on their own models and need to account for profit margins. This market, however, is driven by traders who are incentivized to accurately predict the outcome. As more information becomes available – such as player form or weather conditions – the prediction market odds can adjust more rapidly than traditional sportsbook odds. It’s common to see prediction markets outperform traditional odds, especially closer to the event’s conclusion.
On Polymarket, this market is priced through a continuous trading mechanism where users buy and sell shares representing their belief in the outcome. The price of these shares directly reflects the implied probability of Makarova/Sun winning against Pistola/Rivoli. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As traders exchange shares, the price fluctuates based on supply and demand, creating a dynamic and real-time assessment of the likely result. The more shares bought for a particular outcome, the higher its price, and the greater the implied probability.
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 Girls Doubles match between Makarova/Sun and Pistola/Rivoli. The platform will verify the result against official tournament data to determine the winning pair. The market will then settle, and traders will receive payouts based on their holdings in the winning outcome.
Several factors could influence trading activity in this market. Any news regarding player injuries or changes in team lineups would likely cause significant shifts in the odds. Updates on playing conditions, such as weather forecasts, could also impact the perceived probabilities. Furthermore, the performance of the players in other matches leading up to the final could sway trader sentiment. Unexpected upsets in earlier rounds or strong performances by either team could all contribute to movement in this market before it resolves.