TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 6:44 PM EST
Kalshi
This market tracks the outcome of the first set in a professional tennis match between Ann Li and Antonia Ruzic at the 2026 US Open Women Singles Round Of 128. It focuses on determining which player will claim victory in that initial set. The event reflects competitive performance under official tournament conditions.
The market resolves based on which player wins the first set of the Ann Li vs Antonia Ruzic match in the 2026 US Open Women Singles Round Of 128. If the match does not commence due to injury, walkover, forfeiture, or cancellation before any ball is played, the market settles at a fair price. Postponements or delays keep the market open until the rescheduled match concludes within two weeks. If either player retires during the match, markets that can be settled from completed play will resolve accordingly, while unresolved markets settle at a fair market price determined by the Exchange. Kalshi disclaims any official affiliation with the governing league, and all trademarks remain property of their respective owners.
This market resolves around Aug 30, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The winner of the first set will be the official result, closing all positions based on who claimed that initial frame in the contest.
In the coming weeks, several factors could shift expectations for the Set 1 winner market. Key player injuries, recent match performance, and practice session reports may sway trader sentiment. Weather conditions or court surface changes, if applicable, might also influence the odds. As Aug 30, 2026 approaches, any last-minute updates from coaches or medical staff could create rapid market movements. Traders will react to any news that impacts the perceived advantage of either competitor in the opening set.