TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 28, 11:15 AM EST
Polymarket
This market refers to the tennis match between Maria Martinez Vaquero and Lola Giza in the ITF Women Horb, originally scheduled for July 21, 2026 at 11:15AM ET. This market will resolve to 'Maria Martinez Vaquero' if Maria Martinez Vaquero advances against Lola Giza. This market will resolve to 'Lola Giza' if Lola Giza advances against Maria Martinez Vaquero. 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 Maria Martinez Vaquero and Lola Giza in the ITF Women Horb, originally scheduled for July 21, 2026 at 11:15AM ET. This market will resolve to 'Maria Martinez Vaquero' if Maria Martinez Vaquero advances against Lola Giza. This market will resolve to 'Lola Giza' if Lola Giza advances against Maria Martinez Vaquero. 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 their book and lock in profit margins, while prediction markets aggregate the beliefs of many independent traders competing for accuracy. This market aggregates trader conviction in real time, which can lead to sharper or earlier price discovery than traditional sportsbooks, especially for niche events like ITF tennis matches. Comparing the two can reveal where smart money is positioning itself relative to conventional betting lines.
On Polymarket, this market is priced through an automated market maker that converts trader orders into continuous odds. 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. As more capital flows toward one outcome, its price rises and the opposing outcome's price falls. This mechanism ensures liquidity and allows you to enter or exit positions at transparent, real-time rates without waiting for a counterparty.
This market resolves around Jul 28, 2026, once the match concludes and the result is verified against credible public sources. The outcome will reflect which player wins the ITF Horb event. Resolution typically occurs within hours of the final point, allowing traders to settle their positions promptly. Until that time, the market remains open for trading, and prices can shift based on any new information or momentum in trader positioning.
Several factors may shift prices in this market before resolution. Recent player form, head-to-head records, court surface performance, and injury reports can all influence trader positioning. News about either player's fitness, ranking points at stake, or tournament draw implications may trigger buying or selling waves. Real-time match developments—such as set scores, momentum swings, or tactical adjustments—will drive the most significant price moves as traders update their expectations. Weather conditions and surface conditions on match day can also sway sentiment, particularly for clay-court specialists.