TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 12:00 PM EST
Polymarket
This market refers to the tennis match between Julieta Pareja and Mia Slama in the ITF Women Columbus, originally scheduled for July 8, 2026 at 12:00PM ET. This market will resolve to 'Julieta Pareja' if Julieta Pareja advances against Mia Slama. This market will resolve to 'Mia Slama' if Mia Slama advances against Julieta Pareja. 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 Julieta Pareja and Mia Slama in the ITF Women Columbus, originally scheduled for July 8, 2026 at 12:00PM ET. This market will resolve to 'Julieta Pareja' if Julieta Pareja advances against Mia Slama. This market will resolve to 'Mia Slama' if Mia Slama advances against Julieta Pareja. 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 consensus—no house edge. This market aggregates the collective judgment of many participants without intermediary markup, which can reveal different probability assessments than traditional sports betting venues. Comparing the two can highlight where public opinion and professional oddsmakers disagree.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the aggregate willingness of participants to bet on that result, with the combined probability of all outcomes equaling 100%. As new information emerges or trader sentiment shifts, prices adjust in real time. Higher-volume markets typically show tighter spreads and more stable pricing, while lower-volume markets may experience larger swings.
This market resolves around Jul 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the official match conclusion as documented by recognized tennis authorities and news sources. Until that point, traders can continue to buy and sell shares as new information becomes available. Once verified, the market will settle and payouts will be distributed to holders of the winning outcome.
Player injury reports, recent form and head-to-head records, court conditions, and pre-match commentary from analysts can all shift trader positioning. Unexpected withdrawals or lineup changes would trigger sharp repricing. Real-time match developments—such as early set results or momentum swings during play—often cause rapid price movements as traders update their expectations. Weather delays, player statements, or betting news from other venues may also influence sentiment. Monitor official ITF announcements and player social media for catalysts that could reshape this market's odds.