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 9, 9:31 AM EST
Kalshi
A professional tennis match takes place in the first round of a 2026 ATP tournament, where one player will win the opening set.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, the Set 1 Winner contract for Griekspoor vs Van de Zandschulp is priced as a binary outcome, with traders buying or selling shares that resolve to 1 or 0 based on the match result. The current price reflects the collective belief about which player will take the first set. Kalshi's order book shows bids and asks in real time, allowing traders to enter positions at their preferred price levels. As match conditions evolve and new information emerges, prices adjust dynamically to reflect updated probabilities.
The market resolves on Jun 8, 2026 following the completion of the Tallon Griekspoor vs Botic Van de Zandschulp match. The outcome is determined by which player wins the first set in official match records. Resolution occurs after the set concludes and the result is confirmed through official tennis scoring. Traders holding positions in the winning outcome receive their payout, while losing positions expire worthless. The exact resolution time depends on when the first set finishes and the result is officially recorded.
Several factors could shift odds for the Griekspoor vs Van de Zandschulp Set 1 Winner before Jun 8, 2026. Recent player performance, injury reports, or withdrawal announcements would trigger immediate repricing. Court surface conditions, weather forecasts, and head-to-head matchup history influence trader positioning. News about player form, fatigue from prior rounds, or serve-and-volley tendencies can move the market. Trading volume spikes often precede the match as casual bettors enter positions. Close to match time, real-time observations during warm-ups or early play can create sharp price movements as informed traders react to new information.