TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 30, 2:23 PM EST
Kalshi
This market covers the exact set score outcome of the professional tennis match between Tallon Griekspoor and James Duckworth at the 2026 Wimbledon Men's Singles Round of 128 on June 29. The match will be settled based on the final set score achieved by either player.
The market resolves based on the final set score of the Tallon Griekspoor vs James Duckworth match at 2026 Wimbledon Men's Singles Round of 128. If the match does not occur due to injury, walkover, forfeiture, or cancellation before play begins, the market resolves to fair price. If postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks. If a player retires, outcomes that can be unconditionally settled based on completed play resolve accordingly; outcomes that cannot be unconditionally settled resolve to fair market price 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 protect their margin, while prediction markets like this one are driven by traders risking real capital on their forecasts. Prediction markets can sometimes offer sharper or more efficient pricing because participants have direct financial exposure to accuracy. However, sportsbooks may move faster on breaking news or injury reports. Comparing this market's odds to major sportsbooks can reveal where consensus differs and highlight potential value opportunities.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and asks for shares corresponding to each exact score outcome. 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 latest trade executed, and as new information emerges or trader conviction shifts, the odds update in real time. Shares are binary—they either pay out at full value if that exact score occurs or expire worthless if it does not. This structure incentivizes traders to incorporate all available information into their pricing decisions.
This market resolves around Jun 29, 2026, once the Griekspoor vs Duckworth match concludes and the final score is verified against credible public sources. The outcome is determined by the exact set and game score at the end of the match. No ambiguity exists in tennis scoring, so resolution is typically swift and automatic once the match result is official. Traders should monitor the match schedule and any postponements or cancellations that might affect the resolution timeline.
Several factors can shift odds in this market before the match begins. Injury reports or player withdrawals would trigger sharp repricing, as would changes in court surface conditions or weather forecasts. Recent form and head-to-head records matter significantly in tennis, so strong performances by either player in lead-up tournaments can move the needle. Betting syndicates and professional traders often react quickly to news, so watch for sudden volume spikes or odds swings that may signal new information. Once play starts, live trading can reflect momentum shifts, set outcomes, and injury developments during the match itself.