TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 2:14 PM EST
Kalshi
Two professional tennis players compete in a high-stakes match where the outcome of the first set determines the immediate momentum and potentially the overall match direction.
If Matteo Arnaldi wins set 1 in the Matteo Arnaldi vs James Duckworth professional tennis match in the 2026 US Open Men Singles Round Of 128, then the market resolves to Yes. If James Duckworth wins set 1 in the Matteo Arnaldi vs James Duckworth professional tennis match in the 2026 US Open Men Singles Round Of 128, then the market resolves to Yes.
This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner of the first set will be the official result, closing this market and determining payouts for all positions based on the final score.
Several signals could impact this market before Aug 30, 2026. Key match performance metrics, such as early game statistics or player injuries, may shift trader expectations. Updates from official sources or media coverage about player form or strategy adjustments can also influence odds. As the match approaches, any last-minute changes in lineup announcements or court conditions might sway market sentiment. Traders will react to breaking news, so stay alert for any developments that could affect the likelihood of each player claiming the first set.