TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 30, 1:21 PM EST
Kalshi
This market focuses on predicting which player will win the first set of a tennis match between Jessica Pegula and Elena-Gabriela Ruse at the 2026 US Open. The outcome depends solely on the result of the first set, regardless of the overall match result. It reflects the competitive dynamics and performance of both players in the early stages of their encounter.
If Jessica Pegula wins set 1 in the Jessica Pegula vs Elena-Gabriela Ruse professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes. If Elena-Gabriela Ruse wins set 1 in the Jessica Pegula vs Elena-Gabriela Ruse professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes.
On Kalshi, the Set 1 winner market reflects trader sentiment rather than traditional sportsbook lines. While sportsbooks may incorporate historical performance and broker adjustments, this market prices in real‑time trader expectations. The resulting odds can diverge noticeably from sportsbook odds, especially when recent form or surprise injuries shift trader views. For example, if a player gains sudden momentum, Kalshi odds may adjust faster than sportsbook lines, offering a different perspective on likely outcomes.
This market resolves around Aug 30, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The winner of the first set will be the official result, closing all positions based on that definitive game outcome.
Several signals could shift this market before Aug 30, 2026. Key matches leading up to the event, especially recent performances by the players, will heavily influence trader sentiment. Injuries, changes in coaching strategy, or even weather conditions — if relevant to the sport — may cause rapid re‑pricing. Additionally, media coverage highlighting one player’s form or a surprise lineup change can move the implied probability. As the event approaches, any last‑minute news will be reflected almost instantly in this market.