TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 10:00 AM EST
Polymarket
This market refers to the tennis match between Kylie Collins and Mia Slama in the ITF Women Granby, originally scheduled for July 15, 2026 at 10:00AM ET. This market will resolve to 'Kylie Collins' if Kylie Collins advances against Mia Slama. This market will resolve to 'Mia Slama' if Mia Slama advances against Kylie Collins. 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 Kylie Collins and Mia Slama in the ITF Women Granby, originally scheduled for July 15, 2026 at 10:00AM ET. This market will resolve to 'Kylie Collins' if Kylie Collins advances against Mia Slama. This market will resolve to 'Mia Slama' if Mia Slama advances against Kylie Collins. 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 serve different purposes and audiences. Sportsbooks set odds to balance their book and manage risk, while prediction markets reflect the collective belief of traders risking real money on outcomes. This market aggregates thousands of individual forecasts, which can sometimes reveal signals that traditional oddsmakers miss. Comparing the two can highlight where smart money is positioning itself, though both should be evaluated independently rather than treated as interchangeable.
On Polymarket, this market is priced through an automated market maker that converts trader activity 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 possible outcome, and the price of those shares adjusts based on supply and demand. As more capital flows toward one outcome, its price rises and the implied probability increases. This mechanism ensures continuous pricing and allows you to enter or exit positions at any time before the market closes.
This market resolves around Jul 22, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official tournament records and match result. Until that point, traders can continue to buy and sell shares as new information emerges and expectations shift. Resolution is final once the event is settled according to established procedures.
Several factors could shift trader positioning before resolution. Recent performance data, head-to-head records, and player rankings may influence confidence in each competitor. Injury announcements, court surface conditions, or weather forecasts closer to the tournament date could trigger repricing. Media coverage and expert commentary might also sway sentiment. Additionally, any changes in player form or unexpected withdrawals would prompt immediate market reaction as traders reassess probabilities and adjust their positions accordingly.