TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 30, 12:45 PM EST
Kalshi
This market covers the game spread in the first-round match between Karen Khachanov and Billy Harris at the 2026 Wimbledon Men's Singles tournament. The outcome depends on the total game differential across the entire match, with different thresholds determining whether each specific spread bet wins or loses.
The match will be evaluated based on the cumulative game differential in Khachanov's favor across the full match at 2026 Wimbledon Men's Singles Round of 128. Resolution occurs after the complete match concludes. If the match does not commence due to injury, walkover, forfeiture, or cancellation before play begins, the market resolves to fair price. Postponements or delays keep the market open until the rescheduled match finishes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are settled at fair market price at the Exchange's discretion.
Prediction market odds and sportsbook odds often diverge because they reflect different liquidity pools and trader bases. Sportsbooks set spreads to balance liability and manage risk across their customer base, while prediction markets like this one are driven by decentralized trader consensus. Sportsbook odds tend to move faster on breaking news, whereas prediction markets may lag slightly but often incorporate longer-term fundamental analysis. Comparing this market's probability to major sportsbook lines can reveal arbitrage opportunities or signal where professional and retail traders disagree on the likely outcome.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares representing yes or no outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The contract trades between 0 and 100 cents, with each cent representing a 1% implied probability. As more traders believe Khachanov will cover the spread, the price rises; conversely, increased belief in Harris drives it lower. Kalshi's pricing reflects real-time supply and demand, ensuring that the market continuously adjusts to new information and trader positioning throughout the event window.
This market resolves around Jun 30, 2026, once the match concludes and the final game count is verifiable from credible public sources. The outcome hinges on whether Khachanov wins at least 5.5 more games than Harris—a straightforward comparison of the official match statistics. Resolution occurs automatically once the event result is confirmed and published by recognized sports data providers. Traders should monitor official match reporting to anticipate the resolution timeline and adjust positions accordingly as the event date approaches.
Several factors could shift trader sentiment before resolution. Recent form and head-to-head records between the two players often influence early trading. Injury announcements, court surface conditions, or changes to tournament format can trigger sharp repricing. Pre-match media coverage and expert predictions may also sway the market as new analysis emerges. Closer to the event date, warm-up tournament results and player statements about fitness or strategy could prompt significant position adjustments. Monitor sports news outlets and player social media for catalysts that might reshape expectations around the game spread.