TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 30, 6:30 PM EST
Kalshi
This market focuses on determining which player will win the first set of a tennis match between Carol Young Suh Lee and Katie Boulter at the 2026 US Open. The outcome depends solely on the result of the first set, regardless of the final match result. Settlement considers potential match disruptions such as injuries, cancellations, or retirements.
If Carol Young Suh Lee wins set 1 in the Carol Young Suh Lee vs Katie Boulter professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes. If Katie Boulter wins set 1 in the Carol Young Suh Lee vs Katie Boulter professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes.
On Kalshi, this market reflects trader sentiment rather than traditional sportsbook lines. While sportsbooks may incorporate additional factors like historical performance and public betting trends, the prediction market price here is driven purely by user bets and volume of $101,170. This can lead to notable differences, especially if recent news or shifting player form influences trader behavior more than sportsbook adjusters. The gap between the two can widen or narrow based on how actively participants engage with the Set 1 winner market.
This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match result, specifically who wins the first set, and will be finalized once the match concludes and the data appears in trusted sports news and official league records.
Key signals include any last-minute player injuries, changes to the match schedule, or weather conditions affecting play. Performance metrics from recent warm-ups or practice sessions could also shift trader confidence. As Aug 30, 2026 approaches, updates from coaches, official tournament announcements, and live in-game statistics during early portions of the match may cause rapid movements in this market, especially with a volume of $101,170 to watch for sudden swings.