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, 1:18 PM EST
Polymarket
This market refers to the tennis match between Alyssa James and Daniella Britton in the US Open Juniors, Girls, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Alyssa James' if Alyssa James advances against Daniella Britton. This market will resolve to 'Daniella Britton' if Daniella Britton advances against Alyssa James. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Alyssa James and Daniella Britton in the US Open Juniors, Girls, originally scheduled for September 6, 2026 at 11:00AM ET. This market will resolve to 'Alyssa James' if Alyssa James advances against Daniella Britton. This market will resolve to 'Daniella Britton' if Daniella Britton advances against Alyssa James. 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 WTA Tour. A consensus of credible reporting may also be used.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the likelihood of a particular outcome – in this case, either Alyssa James or Daniella Britton winning the US Open Juniors Girls match. The price of these shares fluctuates based on supply and demand, effectively creating a real-time probability assessment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price of a share reflects the market’s consensus view, and changes in price indicate shifts in expectations as traders react to news and information.
This market resolves around Sep 13, 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 match between Alyssa James and Daniella Britton, as declared by the tournament organizers. The market will determine which player is officially recorded as the winner, and that result will be used to settle all outstanding shares. The outcome will be based on the official tournament results.
Several factors could influence the price of shares in this market. Any news regarding player form, injuries, or changes in coaching could significantly impact expectations. Updates on weather conditions at the tournament venue might also play a role, as these can affect playing styles. Furthermore, the performance of Alyssa James and Daniella Britton in preceding matches leading up to their encounter will be closely watched by traders. Unexpected upsets or particularly dominant performances by either player could lead to substantial shifts in the market.