TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 6:30 AM EST
Polymarket
This market refers to the tennis match between Indianna Spink and Angella Okutoyi in the ITF Women Nottingham, originally scheduled for July 14, 2026 at 6:30AM ET. This market will resolve to 'Indianna Spink' if Indianna Spink advances against Angella Okutoyi. This market will resolve to 'Angella Okutoyi' if Angella Okutoyi advances against Indianna Spink. 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 Indianna Spink and Angella Okutoyi in the ITF Women Nottingham, originally scheduled for July 14, 2026 at 6:30AM ET. This market will resolve to 'Indianna Spink' if Indianna Spink advances against Angella Okutoyi. This market will resolve to 'Angella Okutoyi' if Angella Okutoyi advances against Indianna Spink. 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets are driven by traders risking real capital on their beliefs about the outcome. This market aggregates the views of many independent forecasters, which can sometimes surface insights that sportsbooks have not yet fully priced in. Comparing the two can reveal where consensus differs and highlight potential value opportunities for informed bettors.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probability estimates. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the current price of a share reflects the crowd's aggregate belief in that result. As more traders buy or sell, the price adjusts dynamically. This mechanism ensures transparent, friction-free pricing and allows you to enter or exit positions at any time before the market closes, without relying on a counterparty to match your order.
This market resolves around Jul 21, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will reflect which player wins the ITF Nottingham fixture. Resolution occurs automatically once the event is confirmed through established tennis reporting channels, ensuring all traders have access to the same authoritative information at the same time. Early resolution is not typical unless the match is cancelled or abandoned under tournament rules.
Several factors may shift odds before the match concludes. Player injury reports, recent form and head-to-head records, court surface conditions at Nottingham, and pre-match commentary from analysts can all influence trader positioning. Weather delays or scheduling changes may also trigger repricing. Additionally, if either player's ranking or recent tournament results shift materially, market participants may adjust their confidence. Real-time match developments—such as early set outcomes or momentum swings during play—typically drive the most significant price movements as traders update their expectations based on live performance.