TOTAL VOLUME:
$134.2b
24H VOL:
$143,246,370
24H TRANSACTIONS:
2,403,290,006
OPEN INTEREST:
$1,452,035,386
405,032
Markets across
30,543
events
MATCHED EVENTS:
2,690
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 18, 7:00 AM EST
Polymarket
This market refers to the tennis match between Han Shi and Xinyu Gao in the ITF Women Corroios-Seixal, originally scheduled for July 11, 2026 at 7:00AM ET. This market will resolve to 'Han Shi' if Han Shi advances against Xinyu Gao. This market will resolve to 'Xinyu Gao' if Xinyu Gao advances against Han Shi. 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 Han Shi and Xinyu Gao in the ITF Women Corroios-Seixal, originally scheduled for July 11, 2026 at 7:00AM ET. This market will resolve to 'Han Shi' if Han Shi advances against Xinyu Gao. This market will resolve to 'Xinyu Gao' if Xinyu Gao advances against Han Shi. 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 lines to balance action and manage risk, while prediction markets aggregate beliefs from traders risking real capital. This market may show higher or lower implied probabilities than traditional sports betting sites, depending on which venue attracts more informed or contrarian traders. Comparing the two can reveal where consensus differs.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on the volume and direction of trades. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares representing each possible outcome, and the price of each share reflects the collective probability estimate at any given moment. As more capital flows into one outcome, its price rises and the competing outcome's price falls, creating a continuous price discovery mechanism.
This market resolves around Jul 18, 2026, once the tennis match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the contest. Until that point, traders can continue to buy and sell shares as new information emerges and the event draws closer.
Key catalysts include recent player performance, head-to-head records, injury reports, and court surface conditions leading up to the match. Changes in player rankings, training updates, or public statements about form can shift trader sentiment. Weather forecasts and venue-specific factors may also influence expectations. As the event date approaches, any official announcements or late-breaking news about either competitor's fitness or readiness could trigger significant price movement in this market.