TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 25, 12:30 PM EST
Polymarket
This market refers to the tennis match between Maria Sakkari and Alina Korneeva in the Athens Open, originally scheduled for July 18, 2026 at 12:30PM ET. This market will resolve to 'Maria Sakkari' if Maria Sakkari advances against Alina Korneeva. This market will resolve to 'Alina Korneeva' if Alina Korneeva advances against Maria Sakkari. 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 Maria Sakkari and Alina Korneeva in the Athens Open, originally scheduled for July 18, 2026 at 12:30PM ET. This market will resolve to 'Maria Sakkari' if Maria Sakkari advances against Alina Korneeva. This market will resolve to 'Alina Korneeva' if Alina Korneeva advances against Maria Sakkari. 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margins, while prediction markets aggregate the collective beliefs of traders risking real capital. This market's odds represent a crowd-sourced forecast rather than a bookmaker's calculated spread, which can reveal where informed traders see value that conventional oddsmakers may have missed or underweighted.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price of each share reflects the market's current confidence in that result. As traders buy or sell, the price adjusts algorithmically, ensuring the odds always reflect the latest information and sentiment among active participants.
This market resolves around Jul 25, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result, confirmed through established sports news sources and tournament records. Until that point, traders can continue to buy and sell shares as new information emerges, injuries are announced, or other factors influence expectations about the likely winner.
Several catalysts could shift odds before the match takes place. Injury announcements, recent form or head-to-head records, court conditions, and player statements can all influence trader sentiment. Tournament draws, seeding changes, or news about either competitor's preparation and confidence may also trigger repricing. Additionally, betting action from sharp traders or notable public figures backing one side can create momentum that moves the market, reflecting new information or shifting consensus about the likely outcome.