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 23, 5:00 AM EST
Polymarket
This market refers to the tennis match between Barbora Krejcikova and Carole Monnet in the Athens Open, originally scheduled for July 16, 2026 at 5:00AM ET. This market will resolve to 'Barbora Krejcikova' if Barbora Krejcikova advances against Carole Monnet. This market will resolve to 'Carole Monnet' if Carole Monnet 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 Carole Monnet in the Athens Open, originally scheduled for July 16, 2026 at 5:00AM ET. This market will resolve to 'Barbora Krejcikova' if Barbora Krejcikova advances against Carole Monnet. This market will resolve to 'Carole Monnet' if Carole Monnet 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 bases and incentive structures. Sportsbooks set odds to balance their book and manage risk, while prediction markets aggregate the beliefs of traders who profit or lose based on accuracy. Prediction markets can sometimes offer sharper, more efficient pricing because traders have direct financial exposure to being wrong. However, sportsbooks may move faster on breaking news or injuries. Comparing this market's odds to major sportsbooks can reveal where the crowd sees value or where information gaps exist.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome has a price between 0 and 1, representing the implied probability; traders buy or sell shares to express their view, and the price adjusts continuously based on supply and demand. Higher prices indicate stronger market belief in that outcome. The mechanism rewards accurate forecasters and penalizes poor predictions, creating incentives for informed trading and price discovery.
This market resolves around Jul 23, 2026, once the Athens Open match between the two players has concluded and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—either a win for one player or, in rare cases, a retirement or disqualification. Traders who correctly predicted the winner will receive their payout, while those on the losing side will see their position expire worthless. Resolution typically occurs within hours of the final point.
Several factors could shift odds before the match plays out. Recent form and head-to-head records are key: a player's strong or weak performance in prior rounds will influence trader confidence. Injury reports or late withdrawals would trigger sharp repricing. Court conditions, weather, and draw position can also matter in tennis. News coverage and expert commentary may sway sentiment, especially if analysts highlight a tactical advantage or underdog potential. Betting patterns and large trades on this market itself can create momentum, as traders react to visible order flow and adjust their positions accordingly.