TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 19, 4:47 PM EST
Kalshi
Frances Tiafoe and Felix Auger-Aliassime compete in a professional tennis quarterfinal match at the 2026 ATP Halle tournament on June 19. The event tracks the game spread between the two players across the full match duration.
Resolution is determined by the total game differential between the players across the entire match. Each market outcome corresponds to a specific game spread threshold: if one player wins by more than the stated threshold, that outcome resolves Yes. If the match does not begin due to injury, walkover, forfeiture, or cancellation, the market resolves to fair price. Postponed or delayed matches remain open until completion within two weeks. If a player retires, markets are settled based on completed play where possible; otherwise they resolve to fair market price at the Exchange's discretion.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set spreads to balance action and lock in profit margins, while prediction markets like this one are driven by traders risking real capital on their beliefs. The odds here may move faster in response to breaking news, injury reports, or player form, and they can sometimes offer sharper pricing than conventional betting venues because traders have direct financial exposure to accuracy.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell contracts reflecting different spread outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see represents the consensus probability that the spread will fall within a given range, updated in real time as new trades execute. Liquidity and trading volume directly influence how tight the bid-ask spread is, so periods of high activity typically offer tighter pricing and faster execution.
This market resolves around Jun 19, 2026, once the match concludes and the final point differential is confirmed. The outcome is verified against credible public sources reporting the official match result. Until that time, traders can continue to buy and sell contracts as new information emerges and the event draws closer.
Several factors could shift this market significantly before Jun 19, 2026. Injury announcements or changes to either player's form leading up to the match will likely trigger repricing. Head-to-head history, recent tournament results, and surface conditions at the venue all influence trader expectations. Breaking news about either competitor's physical condition, coaching changes, or unexpected withdrawals could also cause sharp moves. As the match date approaches, pre-match commentary and betting patterns from other venues may accelerate trading activity here.