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 21, 10:00 PM EST
Polymarket
This market refers to the tennis match between Alisa Ziatdinova and Ha Eum Lee in the ITF Women Luan, originally scheduled for July 14, 2026 at 10:00PM ET. This market will resolve to 'Alisa Ziatdinova' if Alisa Ziatdinova advances against Ha Eum Lee. This market will resolve to 'Ha Eum Lee' if Ha Eum Lee advances against Alisa Ziatdinova. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Alisa Ziatdinova and Ha Eum Lee in the ITF Women Luan, originally scheduled for July 14, 2026 at 10:00PM ET. This market will resolve to 'Alisa Ziatdinova' if Alisa Ziatdinova advances against Ha Eum Lee. This market will resolve to 'Ha Eum Lee' if Ha Eum Lee advances against Alisa Ziatdinova. 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 International Tennis Federation (ITF). 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 extract a margin, while prediction markets aggregate the beliefs of traders risking real capital. This market may show higher or lower implied probabilities than traditional sports betting sites, depending on which venue has attracted more informed or contrarian traders. Comparing the two can reveal where public opinion and professional oddsmakers disagree on the match outcome.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on the ratio of shares bought and sold for each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares representing their prediction, and the platform's algorithm continuously recalibrates the price to reflect supply and demand. As more traders buy shares for a particular outcome, its price rises and implied probability increases. This mechanism ensures the market remains liquid and responsive to new information throughout the trading period.
This market resolves around Jul 22, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result, determining which trader positions are correct. Until that point, prices may fluctuate as new information emerges, player conditions change, or market sentiment shifts. Resolution is final once the event data is confirmed and locked into the platform.
Several factors could shift prices in this market before Jul 22, 2026. Player injuries, recent form, head-to-head records, and court surface conditions are traditional catalysts. News about either competitor's training status, mental readiness, or recent tournament results may trigger trader repositioning. Betting action from sharp bettors or sudden volume spikes can also signal new information entering the market. As the match date approaches, any public statements or lineup confirmations could prompt significant repricing.