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 15, 4:00 AM EST
Polymarket
This market refers to the tennis match between Teodora Kostovic and Tessa Johanna Brockmann in the ITF Women Aschaffenburg, originally scheduled for July 8, 2026 at 4:00AM ET. This market will resolve to 'Teodora Kostovic' if Teodora Kostovic advances against Tessa Johanna Brockmann. This market will resolve to 'Tessa Johanna Brockmann' if Tessa Johanna Brockmann advances against Teodora Kostovic. 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 Teodora Kostovic and Tessa Johanna Brockmann in the ITF Women Aschaffenburg, originally scheduled for July 8, 2026 at 4:00AM ET. This market will resolve to 'Teodora Kostovic' if Teodora Kostovic advances against Tessa Johanna Brockmann. This market will resolve to 'Tessa Johanna Brockmann' if Tessa Johanna Brockmann advances against Teodora Kostovic. 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 serve different purposes and operate under different constraints. Sportsbooks set odds to balance their book and manage risk, incorporating vigorish or margin. Prediction markets like this one rely on trader consensus and real-money incentives, which can surface information faster and reflect genuine belief more directly. However, sportsbooks may have deeper liquidity and tighter spreads on major events. For niche matchups, prediction markets sometimes offer sharper pricing because traders with specialized knowledge can profit by correcting mispriced outcomes. Comparing the two can reveal where smart money sees value.
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. Each share represents a claim on one outcome, and the price reflects the probability implied by the ratio of shares outstanding. As traders accumulate positions, the price adjusts to balance supply and demand. The current market probability is visible in real time, and traders profit by correctly predicting the match result. Liquidity and trading volume influence how easily prices move, with deeper pools allowing larger trades with less slippage.
This market resolves around Jul 15, 2026, once the ITF Aschaffenburg match between Teodora Kostovic and Tessa Johanna Brockmann concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result: whichever player wins the contest will be confirmed as the correct outcome. Resolution occurs after the event is finalized and reported by recognized tennis authorities or sports data providers. Traders holding shares in the winning outcome receive their payout once verification is complete.
Several factors could shift trader sentiment before the match concludes. Recent player form, head-to-head records, and injury updates are key catalysts that traders monitor closely. Court surface conditions, weather, and tournament seeding can influence perceived matchup dynamics. News about either player's training, confidence, or mental state may prompt repricing. Betting activity on external sportsbooks can also signal sharp money entering the market. As the match date approaches, any official announcements regarding scheduling changes or player withdrawals would trigger immediate repricing. Real-time match developments, once play begins, will drive final price movements.