TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 26, 6:00 AM EST
Polymarket
This market refers to the tennis match between Martyna Kubka and Justina Mikulskyte in the ITF Women Vitoria-Gasteiz, originally scheduled for July 19, 2026 at 6:00AM ET. This market will resolve to 'Martyna Kubka' if Martyna Kubka advances against Justina Mikulskyte. This market will resolve to 'Justina Mikulskyte' if Justina Mikulskyte advances against Martyna Kubka. 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 Kubka and Justina Mikulskyte in the ITF Women Vitoria-Gasteiz, originally scheduled for July 19, 2026 at 6:00AM ET. This market will resolve to 'Martyna Kubka' if Martyna Kubka advances against Justina Mikulskyte. This market will resolve to 'Justina Mikulskyte' if Justina Mikulskyte advances against Martyna Kubka. 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 protect their margin, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. For this market, comparing the implied probability here to published sportsbook lines can reveal where the two venues disagree—sometimes prediction markets price events more accurately due to their continuous, transparent price discovery. However, sportsbooks may have sharper early information or specialized trading desks, so neither source is universally superior.
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 purchase shares representing each outcome, and the price of those shares—expressed as a percentage between 0 and 100—reflects the collective belief in that outcome's likelihood. As more capital flows into one outcome, its price rises and the competing outcome's price falls, creating a continuous equilibrium. This mechanism ensures transparent, tamper-proof pricing without a central bookmaker setting arbitrary lines.
This market resolves around Jul 26, 2026, once the ITF Vitoria-Gasteiz match concludes and the result is verifiable from credible public reporting. The outcome is determined by which player wins the completed match. Traders holding shares in the winning outcome receive their payout, while shares in the losing outcome expire worthless. Resolution is automatic once the event result is confirmed, ensuring all participants are treated fairly and consistently.
Several factors could shift trader sentiment before the match concludes. Recent performance updates, injury reports, or changes in player ranking or form could prompt repricing. Court conditions, weather, or draw announcements may also influence expectations. Betting activity on external sportsbooks sometimes leaks into prediction markets, moving prices as traders react to new information. Additionally, if either player's recent tournament results shift perceived momentum, the market may adjust accordingly. Close to the event date, any last-minute news about player fitness or mental readiness could trigger sharp price movements.