TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 6:30 AM EST
Polymarket
This market refers to the tennis match between Chelsea Fontenel and Denise Valente in the ITF Women Monastir, originally scheduled for July 8, 2026 at 6:30AM ET. This market will resolve to 'Chelsea Fontenel' if Chelsea Fontenel advances against Denise Valente. This market will resolve to 'Denise Valente' if Denise Valente advances against Chelsea Fontenel. 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 Chelsea Fontenel and Denise Valente in the ITF Women Monastir, originally scheduled for July 8, 2026 at 6:30AM ET. This market will resolve to 'Chelsea Fontenel' if Chelsea Fontenel advances against Denise Valente. This market will resolve to 'Denise Valente' if Denise Valente advances against Chelsea Fontenel. 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 pricing mechanisms and risk models. Sportsbooks set odds to balance their book and manage liability, while prediction markets like this one are priced by traders expressing their genuine belief about the outcome. Prediction markets can sometimes offer sharper or more efficient pricing because traders have direct financial incentive to identify mispriced outcomes. Comparing this market's odds to major sportsbooks can reveal where the two venues disagree on the true probability of each player winning.
On Polymarket, traders set the odds by buying and selling shares representing each possible outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective belief of all market participants about the likelihood of that outcome occurring. As new information emerges or sentiment shifts, traders adjust their positions, causing prices to move in real time. This continuous price discovery mechanism means the market odds update dynamically throughout the trading period, incorporating fresh data and trader conviction.
This market resolves around Jul 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will reflect the official result of the match between the two players. Once the event concludes and the winner is established through reliable sources, the market will settle accordingly, and traders' positions will be finalized based on the actual outcome.
Several factors could shift odds before the match takes place. Recent player performance, head-to-head records, and ranking changes can influence trader sentiment. Injury reports or withdrawal announcements would trigger sharp repricing. Court surface conditions, weather forecasts, and tournament draw details may also sway expectations. News coverage, expert commentary, and betting activity on external sportsbooks can cascade into this market as traders react to new information. Closer to the event date, late-breaking developments or lineup confirmations typically drive the final price adjustments.