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 7, 4:00 AM EST
Polymarket
This market refers to the tennis match between Antonia Stoyanov and Victoria Allen in the ITF Women Amstelveen, originally scheduled for June 30, 2026 at 4:00AM ET. This market will resolve to 'Antonia Stoyanov' if Antonia Stoyanov advances against Victoria Allen. This market will resolve to 'Victoria Allen' if Victoria Allen advances against Antonia Stoyanov. 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 Antonia Stoyanov and Victoria Allen in the ITF Women Amstelveen, originally scheduled for June 30, 2026 at 4:00AM ET. This market will resolve to 'Antonia Stoyanov' if Antonia Stoyanov advances against Victoria Allen. This market will resolve to 'Victoria Allen' if Victoria Allen advances against Antonia Stoyanov. 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 incentive structures. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets like this one are driven purely by trader supply and demand. Prediction markets can sometimes offer sharper, more efficient pricing because traders risk real capital on their beliefs. However, sportsbooks may occasionally move faster on breaking news. Comparing this market's odds to major sportsbooks can reveal whether traders are pricing the match differently than professional oddsmakers.
On Polymarket, traders set the price of this market through an automated market maker that adjusts odds based on order flow and liquidity. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome is represented as a tradeable share, and the current price reflects the aggregate belief of all participants. When more traders buy shares predicting one result, the price for that outcome rises and the opposing outcome falls. This continuous price discovery mechanism means the market remains responsive to new information and trader conviction throughout the trading period.
This market resolves around Jul 7, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result reported by the ITF or other authoritative tennis reporting bodies. Until that point, traders can continue to buy and sell shares as new information emerges—such as player form, injury updates, or head-to-head records. Resolution typically occurs within hours of the match ending.
Several factors could shift trader sentiment before the match concludes. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, player rankings changes, or updated head-to-head statistics may prompt traders to adjust their positions. Court surface conditions, weather forecasts on match day, and pre-match commentary from analysts can all influence buying and selling pressure. Additionally, live match developments—such as early set results or momentum shifts—will drive real-time price adjustments as traders react to unfolding events.