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 9, 8:32 AM EST
Kalshi
A professional tennis match takes place in the Round Of 32 at the 2026 ATP S-Hertogenbosch tournament between two competitors. The match will be decided in a best-of-three sets format.
Prediction market odds on Kalshi often diverge from traditional sportsbook odds because they reflect real-time trader sentiment rather than fixed bookmaker lines. Sportsbooks adjust odds to balance liability, while prediction markets aggregate distributed beliefs across many participants. For the Diallo versus Mannarino exact score, comparing Kalshi prices to major sportsbooks can reveal where the crowd sees value or inefficiency. Prediction markets typically react faster to breaking news like player injuries or form changes, making them a useful cross-check against static sportsbook pricing.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, the exact match score is priced as a set of binary contracts, each representing a specific scoreline outcome. Traders buy or sell shares at prices between 0 and 100 cents, where the price reflects the implied probability of that exact result. The most heavily traded outcomes typically show tighter spreads and deeper liquidity. As match day approaches, prices adjust based on new information about player fitness, recent form, and head-to-head patterns, allowing you to track shifting market expectations in real time.
The market resolves on Jun 8, 2026, following the completion of the match between Gabriel Diallo and Adrian Mannarino. Resolution is determined by the official final score recorded by the tournament or governing body. Only the exact scoreline that occurs will be marked correct; all other outcomes resolve to zero. This binary structure means precision matters—a 2–1 result is distinct from 2–0 or 3–1, making exact-score markets more challenging to predict but potentially more rewarding for accurate forecasters.
Key catalysts include official injury announcements affecting either player's fitness or playing style, recent match results and form trends, head-to-head historical patterns, court surface conditions, and weather forecasts on match day. Coaching changes or tactical adjustments can also shift expectations. As the match date approaches, trading volume and media coverage often spike, reflecting increased confidence among informed participants. Any unexpected news—such as a player withdrawing or a surprise upset in a warm-up event—can trigger sharp repricing across all exact-score outcomes on the market.