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: Jun 4, 10:31 AM EST
Kalshi
Two professional tennis players compete in the second set of a Women's Singles Semifinal match at the 2026 French Open. Regardless of which player wins this particular set, the outcome is determined.
Prediction market odds on Kalshi often diverge from traditional sportsbook odds because they reflect real-time trader sentiment rather than fixed bookmaker lines. Sportsbooks typically adjust odds more slowly and include built-in margins, while prediction markets aggregate continuous trading by informed participants. For the Kostyuk vs Andreeva Set 2 Winner, comparing Kalshi prices to major sportsbooks can reveal whether the market views one player as undervalued or overvalued. These differences often narrow closer to match time as information becomes more complete.
The market resolves on Jun 4, 2026, after the second set of the Marta Kostyuk vs Mirra Andreeva match concludes. Resolution is determined by the official result of set two as recorded by the tournament organizer and verified by the platform. The outcome is binary: either Kostyuk wins the set or Andreeva wins the set. Once the set is complete and the result is confirmed, the market settles automatically and traders receive payouts based on their contract holdings and the final outcome.
Several factors could shift market odds before the match begins and during play. Pre-match signals include recent form, head-to-head records, surface conditions, and injury reports for both players. During the match, the outcome of set one is a major catalyst: if one player dominates set one, traders may reprrice set two odds based on momentum and fatigue. Court conditions, weather, and real-time performance metrics also influence pricing. Late-breaking news about player fitness or tactical adjustments can trigger rapid repricing as traders update their probability estimates.