TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 10:00 AM EST
Polymarket
This market refers to the tennis match between Isabella Marton and Ana Grubor in the ITF Women Columbus, originally scheduled for July 8, 2026 at 10:00AM ET. This market will resolve to 'Isabella Marton' if Isabella Marton advances against Ana Grubor. This market will resolve to 'Ana Grubor' if Ana Grubor advances against Isabella Marton. 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 Isabella Marton and Ana Grubor in the ITF Women Columbus, originally scheduled for July 8, 2026 at 10:00AM ET. This market will resolve to 'Isabella Marton' if Isabella Marton advances against Ana Grubor. This market will resolve to 'Ana Grubor' if Ana Grubor advances against Isabella Marton. 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 aggregate the beliefs of traders risking real capital. This market may show higher or lower implied probabilities than traditional sportsbooks, depending on whether informed traders see value the books have mispriced. Comparing the two can reveal where consensus differs and highlight potential analytical edges.
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. Each outcome's price reflects the collective assessment of all active traders, with shares purchased at higher prices when confidence in that result rises. The market remains open to new trades until close, allowing prices to adjust continuously as fresh information or sentiment changes. Liquidity and trading volume influence how quickly prices respond to new developments.
This market resolves around Jul 15, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the ITF Columbus event. Resolution occurs after the event is confirmed through reliable sports data sources, ensuring accuracy before payouts are finalized. Traders should monitor the match schedule and any official updates from the tournament organizers.
Several factors could shift this market significantly before resolution. Recent performance trends, head-to-head records, and player rankings may influence trader positioning. Court surface conditions, weather forecasts, and injury reports closer to the event date can trigger repricing. Tournament seeding announcements or draws might reveal unexpected matchup dynamics. Late-breaking news about either player's form or fitness could prompt sharp traders to adjust positions, causing noticeable price swings in the final days before play begins.