TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 15, 7:46 AM EST
Kalshi
This market predicts the winner of the first set in the professional tennis match between Katerina Siniakova and Yue Yuan at the 2026 Berlin Qualification Round 1 on June 13. The set winner is determined by standard tennis scoring rules.
The market resolves to Yes for whichever player wins set 1 of the match. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. If the match is postponed or delayed, the market remains open until the rescheduled match concludes within two weeks. If a player retires, any markets that can be definitively settled based on completed play resolve accordingly; markets that cannot be unconditionally determined resolve to Fair Market Price at the Exchange's discretion.
Prediction markets and sportsbooks price events differently because they operate under distinct models. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets reflect aggregated trader belief through continuous price discovery. This market's odds emerge from real traders risking capital, which often produces sharper, less margin-laden prices than traditional sportsbooks. However, sportsbook odds benefit from professional oddsmakers and real-time adjustment to large bets. Comparing this market's pricing to major sportsbook lines can reveal value opportunities, though both reflect genuine probability estimates from different market mechanisms.
This market resolves around Jun 15, 2026, once the Siniakova vs Yuan match concludes and the first-set winner is verified against credible public sources. The outcome is determined by the player who wins the opening set according to official tournament records or reliable sports data providers. No ambiguity exists in set outcomes—the winner is the player who first reaches the required number of games with a two-game margin. Resolution typically occurs within hours of match completion, after which traders receive payouts based on their position.
Several factors may shift odds before the match begins. Player injury reports, recent form updates, or withdrawal announcements can trigger sharp repricing. Court surface conditions, weather forecasts, and head-to-head history often influence trader positioning. News about player fatigue from prior rounds or coaching changes may also move the market. Closer to match time, warm-up results and official lineups sometimes spark late trading activity. Large institutional bets or sudden volume spikes can signal new information entering the market. Monitoring sports news feeds and social media for player updates will help you anticipate potential price swings in this market.