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 29, 10:44 AM EST
Kalshi
This market tracks the winner of the first set in the professional tennis match between Jan-Lennard Struff and Sebastian Baez at the 2026 Wimbledon Men's Singles Round of 128 on June 29. The set winner is determined by standard tennis scoring rules.
The market resolves based on which player wins set 1 of the Jan-Lennard Struff vs Sebastian Baez match at 2026 Wimbledon Men's Singles Round of 128. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. If postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are resolved to Fair Market Price at the Exchange's discretion.
Prediction market odds often diverge from traditional sportsbook lines because they reflect real-time trader positioning rather than bookmaker risk management. On this market, odds may move faster or more dramatically in response to breaking news, injury reports, or betting patterns. Sportsbooks typically adjust lines to balance liability, while prediction markets aggregate distributed beliefs directly. Comparing the two can reveal where public perception differs from professional oddsmakers, though both aim to price the same underlying event.
On Kalshi, this market is priced through continuous order-book trading, where buyers and sellers submit bids and asks for each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the marginal trade—the last executed transaction—and moves as new orders arrive. Traders can place limit orders to wait for their target price or market orders to execute immediately. The implied probability of each outcome is derived directly from the contract price, making the market transparent and responsive to new information.
This market resolves around Jun 29, 2026, once the first set of the Struff vs Baez match concludes and the result is verified against credible public sources. The outcome is determined by which player wins the opening set according to official tournament records or reliable sports reporting. No further action is required from traders after the match ends; the platform confirms the winner and settles all positions automatically. Early resolution is possible if the match is abandoned or the set is voided under tournament rules.
Several catalysts could shift odds before the match begins or during the opening set. Injury announcements, recent form updates, or changes to court conditions may prompt significant repricing. Head-to-head records, surface preference, and player momentum in the tournament can influence trader positioning. Live action during the set itself—such as early breaks, momentum swings, or tactical adjustments—will drive continuous price movement. News about either player's fitness, mental state, or external pressures may also trigger volatility in this market.