TOTAL VOLUME:
$134b
24H VOL:
$87,176,691
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,391,958,194
394,660
Markets across
30,119
events
MATCHED EVENTS:
2,626
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 30, 12:04 PM EST
Kalshi
Benjamin Bonzi and Gabriel Diallo compete in the first round of the 2026 Wimbledon Men's Singles tournament on June 30. The market tracks the game spread differential between the two players across the entire match.
Resolution is determined by the total game differential across the full match at Wimbledon. A Yes resolution occurs when one player wins more games than their opponent by the specified threshold. If the match does not begin due to injury, walkover, forfeiture, or cancellation, the market resolves to fair price. Postponements or delays keep the market open until the rescheduled match concludes within two weeks. If a player retires, markets are resolved based on completed play where possible; otherwise, fair market price applies at the Exchange's discretion.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets like this one aggregate the beliefs of traders who have real money at stake on the outcome. This market's odds may lead or lag traditional sportsbook spreads depending on information flow and trader conviction. Comparing the two can reveal where consensus differs and highlight potential value opportunities.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell shares representing different spread outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the marginal trader's willingness to buy or sell at that level, creating a continuous price discovery process. As new information emerges—such as player form, injury reports, or head-to-head history—traders adjust their positions, moving the odds in real time to reflect updated expectations about the match result.
This market resolves around Jun 30, 2026, once the match concludes and the final spread is confirmed. The outcome is verified against credible public sources reporting the official result. Until that point, traders can continue to buy and sell shares as new developments unfold. Resolution occurs automatically once the event is finalized and the spread outcome is established beyond dispute.
Several catalysts can shift odds before Jun 30, 2026. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific performance data often prompt trader activity. Court conditions, weather forecasts, and scheduling changes can also influence sentiment. Media coverage highlighting form or momentum, as well as betting action from professional syndicates, frequently moves the spread. Real-time match updates during play will drive the most volatile price swings.