TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 4:00 AM EST
Polymarket
This market refers to the tennis match between Danka Kovinic and Julia Riera in the Rome, originally scheduled for July 15, 2026 at 4:00AM ET. This market will resolve to 'Danka Kovinic' if Danka Kovinic advances against Julia Riera. This market will resolve to 'Julia Riera' if Julia Riera advances against Danka Kovinic. 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 Danka Kovinic and Julia Riera in the Rome, originally scheduled for July 15, 2026 at 4:00AM ET. This market will resolve to 'Danka Kovinic' if Danka Kovinic advances against Julia Riera. This market will resolve to 'Julia Riera' if Julia Riera advances against Danka Kovinic. 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 trader bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate the beliefs of traders risking real money on outcomes. This market may show higher or lower implied probabilities than traditional sportsbooks, depending on which venue's participants have stronger conviction. Comparing the two can reveal where informed traders see value relative to conventional betting lines.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time odds. 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 collective probability assigned by all active traders. As more capital flows toward one outcome, its price rises and the opposing outcome's price falls. This mechanism ensures prices stay responsive to new information and trader conviction throughout the event window.
This market resolves around Jul 22, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by the official result recorded by the tournament organizers and confirmed through established sports reporting channels. Until that point, traders can continue to buy and sell shares as new information emerges—such as player form, court conditions, or injury updates—that might shift expectations about who will prevail.
Several factors could shift trader sentiment before the match begins. Recent performance by either player, head-to-head records, court surface preference, and injury or fitness announcements often trigger sharp price moves. Weather conditions in Rome, seeding announcements, and momentum from earlier rounds in the tournament can also influence confidence. Late-breaking news about player form or tactical adjustments may prompt traders to reposition, causing the implied probability to swing significantly in the final hours before play starts.