TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 1:00 AM EST
Kalshi
This market tracks whether Sofia Kenin will win the first set in her match against Venus Williams at the 2026 US Open Women’s Singles Round of 128 on Kalshi, with Sofia Kenin currently at 98.0% and Venus Williams at 1.0%, and resolves based on the match result. The opening set is set to take place on August 30, 2026, and will establish early dynamics and confidence levels for both players.
If Venus Williams wins set 1 in the Venus Williams vs Sofia Kenin professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes. If Sofia Kenin wins set 1 in the Venus Williams vs Sofia Kenin professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes.
On Kalshi, traders in the Williams vs Kenin Set 1 market set odds based on their expectations for the first set outcome. These prediction market odds often differ from traditional sportsbook lines, reflecting community sentiment rather than bookmaker adjustments. Sportsbook odds incorporate broader market factors and may show different implied probabilities. Comparing the two can reveal shifts in fan versus professional betting trends. For this market, monitor how trader confidence evolves in the days leading to the match for potential insights beyond standard sportsbook offerings.
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 between the two players will set the final value, and the market will close immediately after official confirmation of the set result.
Key signals that could shift prices in this market include last-minute player injuries, changes to tournament line-ups, weather delays affecting match timing, and any pre-match betting trends that reflect new analytical insights. Each of these can cause rapid re-pricing as traders adjust positions based on updated expectations for set one performance.