TOTAL VOLUME:
$134b
24H VOL:
$87,997,338
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,395,155,069
395,664
Markets across
30,076
events
MATCHED EVENTS:
2,626
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 2, 6:55 PM EST
Kalshi
The US Open provides a stage for emerging and established players to compete at the highest level. Matches often feature unexpected twists, with underdogs challenging favorites in closely contested encounters.
If Jesper De Jong wins the De Jong vs Passaro professional tennis match in the 2026 US Open Men Singles Round Of 128 after a ball has been played, then the market resolves to Yes. If Francesco Passaro wins the De Jong vs Passaro professional tennis match in the 2026 US Open Men Singles Round Of 128 after a ball has been played, then the market resolves to Yes.