TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 16, 11:26 AM EST
Kalshi
This market measures the game differential between Jenson Brooksby and Martin Damm Jr in their professional tennis match at the 2026 ATP London Round of 32 on June 16. Bettors predict whether one player will win by a specified margin in total games across the full match.
Resolution is based on the game differential in favor of the specified player across the full match. The match must begin with a ball being played to be considered as occurring; if cancelled before play starts due to injury, walkover, forfeiture, or other reasons, the market resolves to fair price. If the match is 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 settled at 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 manage risk, while prediction markets allow traders to freely price outcomes based on their beliefs. This market may show different implied probabilities than traditional sportsbooks, particularly if prediction market participants have unique information or different risk assessments. Comparing the two can reveal where consensus differs and highlight potential value opportunities for informed bettors.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and asks to buy or sell shares tied to the spread outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price reflects the marginal trade—the last executed transaction—and moves as new orders flow in. Traders can place limit orders to wait for their target price or use market orders for immediate execution. The spread between bid and ask prices indicates liquidity; tighter spreads suggest higher confidence and activity, while wider spreads may indicate uncertainty or lower trading volume.
This market resolves around Jun 16, 2026, once the tennis match concludes and the final game spread is verified against credible public sources. The outcome is determined by the official recorded margin in the specified game, confirmed through established sports reporting channels. Until that point, traders can continue to buy and sell shares as new information and match developments emerge. Resolution is automatic once the event result is confirmed and the platform processes the settlement.
Several factors may shift prices in this market before resolution. Player form, recent match results, and head-to-head history can influence trader expectations of the spread. Injury reports, court conditions, and weather updates closer to match day often trigger repricing. News about either player's confidence, coaching changes, or mental state may also sway sentiment. As the match approaches, real-time developments during play—such as early set performance or momentum swings—will likely drive significant trading activity and price adjustments.