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 2, 3:00 AM EST
Polymarket
This market refers to the tennis match between Anastasiia Firman and Sophie Greiner in the ITF Women Kamen, originally scheduled for June 25, 2026 at 3:00AM ET. This market will resolve to 'Anastasiia Firman' if Anastasiia Firman advances against Sophie Greiner. This market will resolve to 'Sophie Greiner' if Sophie Greiner advances against Anastasiia Firman. 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 Anastasiia Firman and Sophie Greiner in the ITF Women Kamen, originally scheduled for June 25, 2026 at 3:00AM ET. This market will resolve to 'Anastasiia Firman' if Anastasiia Firman advances against Sophie Greiner. This market will resolve to 'Sophie Greiner' if Sophie Greiner advances against Anastasiia Firman. 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 markets and sportsbooks price events differently because they operate under distinct mechanisms. Sportsbooks set odds based on their risk models and aim to balance liability, while prediction markets like this one derive prices from real-time trader consensus. Sportsbook odds often reflect professional oddsmakers' views, whereas this market aggregates the collective judgment of many independent traders. Both can offer valuable signals, but prediction markets sometimes capture emerging information faster due to their continuous pricing. Comparing the two can reveal where public sentiment diverges from professional estimates.
On Polymarket, traders set the odds by buying and selling outcome shares, with the price reflecting the probability implied by supply and demand. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on the match result, and the market price adjusts in real time as new information arrives and traders adjust their positions. The current odds reflect the collective assessment of all participants. As the event date approaches and more details emerge—such as player form, injuries, or court conditions—the price will likely shift to incorporate this new information into the market's probability estimate.
This market resolves around Jul 2, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by which player wins the ITF Kamen event, confirmed through official tournament records and reliable sports data sources. Until that point, traders can continue to buy and sell shares based on their expectations. Resolution typically occurs shortly after the match ends, allowing the market to settle with certainty.
Several factors could shift trader sentiment and move prices in this market. Player injuries, recent form and ranking changes, head-to-head records, and court surface conditions at the ITF Kamen venue all influence expectations. News about either competitor's preparation, coaching changes, or performance in warm-up tournaments can trigger significant repricing. Weather forecasts closer to the match date may also matter. Additionally, any shifts in betting patterns or new information about player fitness and motivation could prompt traders to adjust their positions, causing the odds to move.