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 20, 5:00 AM EST
Polymarket
This market refers to the tennis match between Carole Monnet and Rebeka Masarova in the Athens Open, originally scheduled for July 13, 2026 at 5:00AM ET. This market will resolve to 'Carole Monnet' if Carole Monnet advances against Rebeka Masarova. This market will resolve to 'Rebeka Masarova' if Rebeka Masarova advances against Carole Monnet. 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 Carole Monnet and Rebeka Masarova in the Athens Open, originally scheduled for July 13, 2026 at 5:00AM ET. This market will resolve to 'Carole Monnet' if Carole Monnet advances against Rebeka Masarova. This market will resolve to 'Rebeka Masarova' if Rebeka Masarova advances against Carole Monnet. 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 liability and profit margin, while prediction markets are driven by trader belief and real-money risk. For this market, comparing the implied probability here to major sportsbook lines can reveal where the crowd on Polymarket sees edge or mispricing. Prediction markets tend to aggregate dispersed information efficiently, but sportsbooks may move faster on breaking news or injury updates.
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. The price you see reflects the cumulative bets placed on each outcome, with deeper liquidity typically narrowing the spread between buy and sell quotes. As traders add capital or shift positions, the odds adjust instantly. This continuous repricing mechanism ensures the market stays responsive to new information and trader sentiment throughout the lead-up to the match.
This market resolves around Jul 20, 2026, once the Athens Open match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official tournament records and match result. Until that point, traders can buy and sell positions freely. After resolution, payouts are distributed according to the final verified outcome, and the market closes.
Key catalysts include player injury reports, recent form and head-to-head records, court surface conditions at the Athens venue, and any last-minute lineup changes. Betting news—such as sharp money flowing into one side—can also shift odds quickly as informed traders position ahead of the match. Weather updates, player statements, or coaching changes in the days before play may trigger repricing. Social media sentiment and expert commentary can amplify volatility, especially if consensus shifts on either competitor's readiness or tactical approach.