TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 7, 6:30 AM EST
Polymarket
This market refers to the tennis match between Carmen Andreea Herea and Rikke De Koning in the ITF Women Amstelveen, originally scheduled for June 30, 2026 at 6:30AM ET. This market will resolve to 'Carmen Andreea Herea' if Carmen Andreea Herea advances against Rikke De Koning. This market will resolve to 'Rikke De Koning' if Rikke De Koning advances against Carmen Andreea Herea. 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 Carmen Andreea Herea and Rikke De Koning in the ITF Women Amstelveen, originally scheduled for June 30, 2026 at 6:30AM ET. This market will resolve to 'Carmen Andreea Herea' if Carmen Andreea Herea advances against Rikke De Koning. This market will resolve to 'Rikke De Koning' if Rikke De Koning advances against Carmen Andreea Herea. 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 often diverge from traditional sportsbook odds because they reflect real-time trader sentiment rather than a fixed bookmaker line. Sportsbooks manage risk and profit margins through their own pricing models, while this market aggregates the collective judgment of many independent participants. Comparing the two can reveal where the crowd sees value or disagreement; prediction markets sometimes lead sportsbooks in pricing adjustments as new information surfaces, though both respond to similar underlying factors like player statistics and recent performance.
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 price of each outcome reflects the proportion of capital allocated to it; as more traders back one player, that outcome's price rises and the opposing outcome falls. This continuous price discovery mechanism means odds adjust instantly to reflect new information, injuries, or shifts in trader confidence, creating a dynamic and transparent view of expected probabilities.
This market resolves around Jul 7, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by the official match result—whether Herea or De Koning wins the ITF Amstelveen event. Resolution typically occurs shortly after the final point is played and confirmed by the tournament organizers or recognized tennis data providers, ensuring accuracy and fairness for all traders.
Key catalysts include recent head-to-head records, current rankings, and recent tournament performance by both players. Injury announcements or withdrawal news would trigger sharp repricing. Court surface conditions at Amstelveen, weather forecasts, and draw strength can also influence trader positioning. Media coverage of either player's form, coaching changes, or notable warm-up results in the weeks before the event may shift market sentiment. Late-breaking updates on player fitness or motivation closer to match day often produce the most volatile price swings.