TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 9, 8:30 AM EST
Polymarket
This market refers to the tennis match between Britt Du Pree and Maria Sara Popa in the ITF Women Amstelveen, originally scheduled for July 2, 2026 at 8:30AM ET. This market will resolve to 'Britt Du Pree' if Britt Du Pree advances against Maria Sara Popa. This market will resolve to 'Maria Sara Popa' if Maria Sara Popa advances against Britt Du Pree. 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 Britt Du Pree and Maria Sara Popa in the ITF Women Amstelveen, originally scheduled for July 2, 2026 at 8:30AM ET. This market will resolve to 'Britt Du Pree' if Britt Du Pree advances against Maria Sara Popa. This market will resolve to 'Maria Sara Popa' if Maria Sara Popa advances against Britt Du Pree. 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 mechanisms. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are priced by traders seeking to profit from accurate forecasts. Prediction markets typically aggregate dispersed information more efficiently, sometimes offering sharper odds than traditional sportsbooks. However, sportsbooks may move faster on breaking news or injury reports. Comparing this market's implied probabilities to major sportsbook lines can reveal value opportunities, though both sources should inform your analysis rather than serve as a substitute for independent research.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the aggregate belief of all active traders, with each transaction moving the price slightly. Shares for Du Pree and Popa are priced inversely—as one rises, the other falls—ensuring the probabilities sum to 100 percent. You can enter at any time by accepting the current ask price or placing limit orders. The spread between bid and ask widens or narrows based on liquidity and recent trading volume, so monitoring the order book helps you time entries effectively.
This market resolves around Jul 9, 2026, once the ITF Amstelveen match concludes and the result is verifiable from credible public sources. The outcome is determined by the official match result—a win for Du Pree or a win for Popa. No other factors such as walkovers, retirements, or disqualifications affect the binary resolution. Traders should monitor official tournament records and reputable sports news outlets in the days leading up to and immediately following the event to anticipate resolution timing and ensure accuracy.
Several catalysts could shift odds before the match begins. Injury reports or player withdrawals would trigger sharp repricing, as would recent performance data from either competitor's recent tournaments. Changes in court conditions, weather forecasts, or head-to-head history becoming widely discussed could also influence trader sentiment. Social media momentum, betting syndicate activity, or endorsements from respected tennis analysts may sway the probability. Additionally, any official tournament updates or seeding changes could prompt traders to reassess their positions. Staying alert to tennis news and monitoring the order book for large trades helps you anticipate and react to these movements.