TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 2, 3:38 PM EST
Kalshi
This market focuses on determining which player will win the third set of a specific tennis match at the 2026 US Open. The outcome depends solely on the performance of the two athletes during that particular set, reflecting a detailed aspect of competitive play.
If Zachary Svajda wins set 3 in the Zachary Svajda vs Daniel Altmaier professional tennis match in the 2026 US Open Men Singles Round Of 128, then the market resolves to Yes. If Daniel Altmaier wins set 3 in the Zachary Svajda vs Daniel Altmaier professional tennis match in the 2026 US Open Men Singles Round Of 128, then the market resolves to Yes.
On sportsbooks, you’ll typically see a spread or moneyline that reflects the sharpest betting lines from professional oddsmakers. In contrast, this market uses a fully decentralized model where traders buy and sell contracts directly based on their own expectations. Because of this, the implied probability often diverges from traditional sportsbook lines — especially in niche or less-liquid events like the Set 3 winner market. The difference can highlight crowd-sourced insights or sentiment that isn’t fully captured by the more formal sportsbook models.
This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner of Set 3 will be determined by the official match result, and that data will be used to finalize the market's settlement on Kalshi.
Key signals include player form in the earlier sets, injury updates, and any breaks or momentum swings during play. Media commentary and expert analysis can also shift perceptions rapidly. As Aug 30, 2026 approaches, any last-minute changes — such as weather delays or lineup adjustments — may cause sharp movements. Traders will react to any credible news that alters the perceived likelihood of each player claiming the Set 3 winner market, making this a dynamic period for market activity.