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 26, 10:30 AM EST
Polymarket
This market tracks which player will advance from the Iasi Open tennis match between Mayar Sherif and Paula Badosa. Mayar Sherif is currently priced at 100.0% on Polymarket. Resolution will be determined by the official WTA Tennis website. The match was originally scheduled for July 19, 2026 at 10:30AM ET, and the market will settle based on the official match result posted to wtatennis.com.
This market refers to the tennis match between Mayar Sherif and Paula Badosa in the Iasi Open, originally scheduled for July 19, 2026 at 10:30AM ET. This market will resolve to 'Mayar Sherif' if Mayar Sherif advances against Paula Badosa. This market will resolve to 'Paula Badosa' if Paula Badosa 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 sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets aggregate the beliefs of traders risking real capital. This market may show odds that lead or lag traditional sportsbooks depending on information flow and trader conviction. Comparing the two can reveal where the crowd sees edge or where consensus is building ahead of the match.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability quotes. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy or sell shares representing each outcome, and the price adjusts based on the ratio of shares held in the pool. Deeper order flow and higher volume typically tighten the spread and improve price discovery. The mechanism ensures continuous pricing without reliance on a traditional order book.
This market resolves around Jul 26, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will reflect the official winner as confirmed by the tournament organizers and major sports news sources. Until that point, traders can buy and sell shares freely, and prices may shift based on pre-match analysis, player form, injury reports, and other relevant signals. Resolution is automatic once the event is finalized.
Several catalysts could shift this market significantly before the match begins. Injury announcements, recent tournament results, head-to-head records, and court surface performance data often trigger repricing. Weather conditions, player statements, or unexpected withdrawals can also swing sentiment. Media coverage and analyst commentary may influence trader positioning, while betting syndicates and sharp money flowing into sportsbooks can signal conviction. Real-time match conditions—if live betting is enabled—would further drive price discovery as the event unfolds.