TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 13, 6:02 PM EST
Kalshi
This event tracks whether a tennis player from the United States will claim either the men's or women's singles championship at the 2026 US Open. The outcome depends solely on the nationality of the tournament winners as recognized by official tennis governing bodies.
The event resolves to Yes if any American player—whether male or female—wins the singles title in either the men’s or women’s category at the 2026 US Open tennis tournament. Nationality is determined by the designations of the governing tennis league. All three sub-markets converge on this single condition: an American victory in either the men’s or women’s singles draw. The broader market encompasses the outcomes of the two more specific markets (American man or American woman), meaning if either of those narrower conditions is met, the overall event also resolves positively. Kalshi explicitly disclaims any official affiliation with the governing league, and all related trademarks remain property of their respective owners.