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 8, 6:38 AM EST
Polymarket
This market refers to the tennis match between Martyna Zaremba and Jessica Marmorstein in the ITF Women Monastir, originally scheduled for July 1, 2026 at 6:38AM ET. This market will resolve to 'Martyna Zaremba' if Martyna Zaremba advances against Jessica Marmorstein. This market will resolve to 'Jessica Marmorstein' if Jessica Marmorstein advances against Martyna Zaremba. 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 Martyna Zaremba and Jessica Marmorstein in the ITF Women Monastir, originally scheduled for July 1, 2026 at 6:38AM ET. This market will resolve to 'Martyna Zaremba' if Martyna Zaremba advances against Jessica Marmorstein. This market will resolve to 'Jessica Marmorstein' if Jessica Marmorstein advances against Martyna Zaremba. 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 participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven purely by trader conviction—there is no house edge or margin built in. Traders here are wagering real capital on their belief about the match outcome, which can make prediction market prices more responsive to new information. Comparing this market's odds to major sportsbooks can reveal where professional and retail traders disagree on the likely result.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares representing each possible outcome, and the price of each share reflects its implied probability. As more capital flows into one outcome, its price rises and the competing outcome's price falls, creating a self-balancing mechanism. The current odds you see represent the marginal price at which the next trade would execute, making the market continuously responsive to new information about the players and match conditions.
This market resolves around Jul 8, 2026, once the ITF Women's match in Monastir is completed and the result is verified against credible public sources. The outcome is determined by which player wins the match according to official tournament records. Until that point, traders can continue to buy and sell shares as new information emerges—player form, court conditions, injury reports, or head-to-head patterns. Resolution is automatic once the match concludes and the winner is confirmed.
Several factors could shift trader positioning before the match begins. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, ranking changes, or updated head-to-head records may influence confidence in one player over the other. Court surface conditions specific to Monastir and player performance history on clay can sway expectations. Media coverage, betting syndicate activity, or coaching changes might also signal new information. Even minor updates like practice session reports or player statements can move this market as traders recalibrate their edge.