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, 1:11 PM EST
Kalshi
Two professional tennis players compete in a Round of 32 match at the 2026 ATP Stuttgart tournament. The match will be decided by whichever player wins in straight sets or in a tiebreaker set.
Prediction market odds on Kalshi often diverge from traditional sportsbook lines because they reflect decentralized trader sentiment rather than bookmaker risk management. Sportsbooks adjust odds to balance liability and lock in margins, while prediction markets aggregate beliefs from many independent participants. For the Altmaier-Tiafoe exact score, comparing Kalshi prices to major sportsbooks can reveal whether the crowd sees value the books have missed. These differences typically narrow closer to match time as information converges, making early tracking useful for identifying potential mispricings.
On Kalshi, the exact match score between Altmaier and Tiafoe is priced as a set of binary contracts, each representing a specific scoreline outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares at prices between 0 and 100 cents, where the price reflects the market's estimated probability of that exact result occurring. As new information emerges—player form, court conditions, injury reports—the prices adjust dynamically. The most heavily traded outcomes typically command tighter bid-ask spreads, making them easier to enter and exit at fair value.
The market resolves on Jun 8, 2026, after the match concludes. Resolution is determined by the final set score of the completed match between Altmaier and Tiafoe. The outcome is binary for each specific scoreline contract: if that exact score occurs, the contract settles at 100 cents; if any other result happens, it settles at zero. Only the actual final score recorded by the official tournament records determines which contracts resolve to payout.
Several factors can shift market prices before the match. Player injury announcements or withdrawal news would dramatically reprrice all outcomes. Recent tournament performance, head-to-head history, and surface-specific form updates influence trader confidence in likely scorelines. Court conditions, weather forecasts, and draw positioning can also move odds. Betting volume spikes from sharp money often signal new information entering the market. Closer to match time, pre-match warm-up reports and lineup confirmations may trigger final repricing as uncertainty resolves and the crowd converges on more confident probability estimates.