TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 26, 1:00 PM EST
Polymarket
This market refers to the tennis match between Barbora Krejcikova and Maria Sakkari in the Athens Open, originally scheduled for July 19, 2026 at 1:00PM ET. This market will resolve to 'Barbora Krejcikova' if Barbora Krejcikova advances against Maria Sakkari. This market will resolve to 'Maria Sakkari' if Maria Sakkari advances against Barbora Krejcikova. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Barbora Krejcikova and Maria Sakkari in the Athens Open, originally scheduled for July 19, 2026 at 1:00PM ET. This market will resolve to 'Barbora Krejcikova' if Barbora Krejcikova advances against Maria Sakkari. This market will resolve to 'Maria Sakkari' if Maria Sakkari advances against Barbora Krejcikova. 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant pools and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market may show odds that differ from traditional sportsbooks, especially as new information emerges or as one side attracts more trading activity. Comparing the two can reveal where the broader betting public and prediction market traders disagree on the likely result.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through an automated market maker that adjusts odds based on the ratio of shares bought and sold for each outcome. Traders purchase shares representing their prediction, and the price of each share moves continuously as the balance between buyers and sellers shifts. The platform displays the current implied probability for each outcome, allowing you to enter or exit positions at transparent, real-time prices determined entirely by supply and demand.
This market resolves around Jul 26, 2026, once the match concludes and the result is verified against credible public sources. The outcome will reflect who wins the competition, confirmed through official tournament records or widely reported sports news. Until that point, traders can continue to buy and sell shares as new information and match developments influence their expectations about the final result.
Market prices may shift based on player form, recent tournament results, head-to-head records, injury reports, or court conditions announced closer to the event. Betting patterns from professional or sharp traders can also influence odds if they signal new information. Media coverage, odds movements at sportsbooks, and social sentiment may drive retail trader activity. Any unexpected developments in either player's preparation or circumstances leading up to the match could prompt repricing as the community reassesses probabilities.