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: Sep 1, 3:45 PM EST
Kalshi
This market focuses on predicting which player, Thea Frodin or Elena Rybakina, will win the first set in their 2026 US Open Women Singles Round of 128 match. The outcome depends solely on the result of the first set, regardless of the final match result. Settlement is contingent on the match actually taking place, with specific guidelines for handling cancellations, postponements, or retirements.
If Thea Frodin wins set 1 in the Thea Frodin vs Elena Rybakina professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes. If Elena Rybakina wins set 1 in the Thea Frodin vs Elena Rybakina professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes.
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 determine the final settlement, and contracts will automatically close based on that official result.
Key moments such as player form in the days leading up to the match, injury updates, and weather conditions could shift expectations for this market. A dominant service game or early break point from either competitor may cause rapid reassessments. As Aug 30, 2026 approaches, any last-minute changes in seeding or player availability will also influence trader positioning. Public analysts’ commentary and pre-match betting trends may further adjust the probability estimates on Kalshi.