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: Jul 2, 1:00 PM EST
Polymarket
This market refers to the tennis match between Midori Castillo Meza and Kelly Keller in the ITF Women Claremont, originally scheduled for June 25, 2026 at 1:00PM ET. This market will resolve to 'Midori Castillo Meza' if Midori Castillo Meza advances against Kelly Keller. This market will resolve to 'Kelly Keller' if Kelly Keller advances against Midori Castillo Meza. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Midori Castillo Meza and Kelly Keller in the ITF Women Claremont, originally scheduled for June 25, 2026 at 1:00PM ET. This market will resolve to 'Midori Castillo Meza' if Midori Castillo Meza advances against Kelly Keller. This market will resolve to 'Kelly Keller' if Kelly Keller advances against Midori Castillo Meza. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance liability and profit, while prediction markets like this one are driven by trader consensus and real-money risk. Sportsbooks typically adjust lines based on betting volume and sharp action, whereas prediction markets aggregate dispersed information from many participants. For tennis matches, sportsbook odds may emphasize recent form and seeding, while prediction markets can incorporate broader signals including social sentiment and historical matchup data. Comparing the two can reveal where one venue sees value the other may have missed.
This market resolves around Jul 2, 2026, once the ITF Claremont match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result, with no ambiguity about which player won. Traders holding shares in the winning outcome will receive their payout, while losing positions expire worthless. The resolution process is straightforward and tied directly to the match's completion, ensuring all participants have clarity on how their positions will settle.
Several factors could shift odds before the match begins. Player injury reports or withdrawal announcements would trigger sharp repricing, as would recent tournament results or head-to-head history becoming widely known. Changes in player ranking or seeding, fitness updates from training, or news about court conditions at the venue could influence trader positioning. Media coverage highlighting one player's recent form or psychological edge may also sway sentiment. Weather forecasts closer to the match date and late-breaking lineup confirmations are common catalysts. Real-time trading activity itself can move prices as large positions enter or exit the market.