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 23, 3:00 AM EST
Polymarket
This market refers to the tennis match between Chelsea Fontenel and Sara Milanese in the ITF Women Monastir, originally scheduled for July 16, 2026 at 3:00AM ET. This market will resolve to 'Chelsea Fontenel' if Chelsea Fontenel advances against Sara Milanese. This market will resolve to 'Sara Milanese' if Sara Milanese 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 Sara Milanese in the ITF Women Monastir, originally scheduled for July 16, 2026 at 3:00AM ET. This market will resolve to 'Chelsea Fontenel' if Chelsea Fontenel advances against Sara Milanese. This market will resolve to 'Sara Milanese' if Sara Milanese 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance action and protect their margin, while prediction markets aggregate the collective beliefs of traders with real money at stake. This market may show materially different probabilities than major sportsbooks, particularly if one venue has sharper or more active traders. Comparing the two can reveal where consensus is strongest or where informed traders see value.
On Polymarket, this market is priced through an automated market maker that allows traders to buy or sell shares representing each 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 trading activity and belief about the match result. As traders place orders, the price adjusts dynamically to balance supply and demand. This continuous pricing mechanism means the implied probability can shift rapidly in response to breaking news, injury reports, or other developments relevant to the event.
This market resolves around Jul 23, 2026, with the outcome confirmed once the tennis match is verifiable from credible public reporting. The result will be determined by the official match outcome—which player wins the ITF Monastir event. Once the match concludes and the winner is officially recorded, this market will settle accordingly, paying out shares held by traders who correctly predicted the result.
Several factors could shift odds significantly before the match takes place. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific form data often influence trader sentiment. Court conditions, weather forecasts, and draw announcements can also move the market. Additionally, any changes to player ranking or fitness status reported by credible tennis media may prompt traders to adjust their positions, creating volatility in the odds.