TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 20, 3:00 AM EST
Polymarket
This market refers to the tennis match between Mayar Sherif and Dalma Galfi in the Iasi Open, originally scheduled for July 13, 2026 at 3:00AM ET. This market will resolve to 'Mayar Sherif' if Mayar Sherif advances against Dalma Galfi. This market will resolve to 'Dalma Galfi' if Dalma Galfi advances against Mayar Sherif. 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 Mayar Sherif and Dalma Galfi in the Iasi Open, originally scheduled for July 13, 2026 at 3:00AM ET. This market will resolve to 'Mayar Sherif' if Mayar Sherif advances against Dalma Galfi. This market will resolve to 'Dalma Galfi' if Dalma Galfi advances against Mayar Sherif. 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 odds to balance action and manage risk, while prediction markets aggregate the beliefs of traders who have real money at stake on outcomes. This market's odds may lead or lag sportsbook lines depending on information flow and trader conviction. Comparing the two can reveal where the broader market sees value or where consensus is shifting, though neither is inherently more accurate than the other.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the cumulative trades and liquidity provided by the community. As more traders buy shares of one outcome, its price rises, and the competing outcome's price falls. This continuous repricing ensures the market stays responsive to new information and trader sentiment throughout the event window.
This market resolves around Jul 20, 2026, once the tennis match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result, determining which player prevails. Until that point, traders can continue to buy and sell shares as new information emerges or sentiment shifts. Resolution is automatic once the event is finalized and reported through established sports data channels.
Several factors could shift odds in this market before it resolves. Recent player performance, head-to-head records, and current form leading into the tournament are key catalysts. Injury reports or withdrawal announcements would trigger sharp repricing. Court conditions, weather, and draw positioning may influence trader expectations. Media coverage and expert analysis can also sway sentiment. Real-time match developments—if the event is live—would drive the most dramatic price movements as traders react to serve breaks, set outcomes, and momentum shifts during play.