TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 6, 4:41 PM EST
Kalshi
The first set winner in this high-stakes tennis clash will be identified here, marking a critical early phase of their US Open showdown.
If Alex Michelsen wins set 1 in the Alex Michelsen vs Tomas Martin Etcheverry professional tennis match in the 2026 US Open Men Singles Round Of 16, then the market resolves to Yes. If Tomas Martin Etcheverry wins set 1 in the Alex Michelsen vs Tomas Martin Etcheverry professional tennis match in the 2026 US Open Men Singles Round Of 16, then the market resolves to Yes.