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, 2:23 PM EST
Kalshi
This market tracks the total number of games played in the first-round Wimbledon men's singles match between Tallon Griekspoor and James Duckworth on June 30, 2026. Bettors can wager on whether the match will exceed various game thresholds, with longer matches generating higher game counts.
The match outcome is determined by counting all completed games across the full match. Resolution occurs based on the total game count reaching specified thresholds. If the match does not commence due to injury, walkover, forfeiture, or cancellation before play begins, the market resolves to a fair price. Postponements or delays do not close the market; it remains open until 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 settled at fair market price as determined by the Exchange.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven by traders risking real capital on their beliefs. Prediction markets typically incorporate broader information faster and can offer sharper pricing on niche outcomes. However, sportsbook odds remain a useful benchmark for comparing how this market's consensus differs from professional oddsmakers' assessments of the total games outcome.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and asks for shares representing different total-games outcomes. 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 probability assigned by the last matched trade, and spreads tighten or widen based on order flow and liquidity. As new information emerges about player form, injury status, or match conditions, traders adjust their positions, moving prices to reflect updated expectations about the final game count.
This market resolves around Jun 30, 2026, once the Griekspoor vs Duckworth match concludes and the total number of games is verified against credible public sources. The outcome is determined by the official game count from the match, confirmed through established sports reporting channels. Until that point, traders can continue to buy and sell shares as new developments and match progress unfold, allowing positions to be adjusted right up to resolution.
Several factors could shift prices in this market before resolution. Player injury announcements or fitness updates affecting either competitor would likely trigger sharp moves, as would changes in court conditions or weather if relevant. Pre-match commentary from analysts, recent head-to-head records, and tournament draw details can also influence trader sentiment. Once play begins, match momentum, set scores, and player performance will drive continuous repricing as traders update their forecasts of the final game total in real time.