TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 16, 7:47 AM EST
Kalshi
This market covers the game spread in the professional tennis match between Karen Khachanov and Ethan Quinn at the 2026 ATP Halle Round of 32 on June 15. Bettors can wager on whether one player will win by a specified game margin across the full match.
Resolution is determined by the total game differential across the complete match. Each market outcome corresponds to a specific game spread threshold; if the favored player's game differential exceeds that threshold, the outcome resolves Yes. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to fair price. Postponed or delayed matches remain 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 at the Exchange's discretion.
Prediction market odds and sportsbook odds often diverge because they reflect different participant pools and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate trader beliefs through continuous price discovery. This market may show different odds than traditional sportsbooks because traders here are directly buying and selling outcome shares rather than placing fixed-odds bets. Comparing the two can reveal where professional and retail sentiment differ on the match outcome.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for shares tied to each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the marginal trade—the last executed transaction—and moves as new orders flow in. Wider bid-ask spreads typically indicate lower liquidity or higher uncertainty, while tighter spreads suggest active trading and consensus. Prices range from near zero to one dollar, with the spread between them representing the implied probability traders assign to each result.
This market resolves around Jun 15, 2026, once the match concludes and the final spread is confirmed. The outcome is verified against credible public sources reporting the official result and point differential. Until that moment, traders can continue buying and selling shares as new information and match developments emerge. Early resolution is possible if the event is cancelled or postponed; Kalshi will communicate any changes to the resolution timeline.
Market prices typically shift in response to player news—injuries, recent form, head-to-head records, or lineup changes—that alter perceived match dynamics. Court conditions, weather, and tournament context can also influence expectations around the spread. Betting volume spikes and sharp money flowing toward one side often precede price moves, signaling informed traders' conviction. Pre-match commentary from analysts and live updates during warm-ups may trigger final adjustments as traders refine their forecasts closer to the opening serve.