TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 26, 3:30 AM EST
Polymarket
This market refers to the tennis match between Marilouise Van Zyl and Astrid Cirotte in the ITF Women Hillcrest, originally scheduled for July 19, 2026 at 3:30AM ET. This market will resolve to 'Marilouise Van Zyl' if Marilouise Van Zyl advances against Astrid Cirotte. This market will resolve to 'Astrid Cirotte' if Astrid Cirotte advances against Marilouise Van Zyl. 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 Marilouise Van Zyl and Astrid Cirotte in the ITF Women Hillcrest, originally scheduled for July 19, 2026 at 3:30AM ET. This market will resolve to 'Marilouise Van Zyl' if Marilouise Van Zyl advances against Astrid Cirotte. This market will resolve to 'Astrid Cirotte' if Astrid Cirotte advances against Marilouise Van Zyl. 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 incentive structures. Sportsbooks set lines to balance their book and manage risk, while prediction markets aggregate the collective beliefs of traders who have real money at stake. For tennis matches like this one, prediction market prices tend to incorporate granular trader insights and can sometimes move faster than sportsbook lines when new information surfaces. Both venues offer valuable signals, but they operate independently and may price the same outcome differently.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each possible outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective probability assigned by all participants; as more traders back one outcome, its price rises and the opposing outcome's price falls. This continuous pricing model ensures liquidity and allows you to enter or exit your position at transparent, real-time rates determined entirely by supply and demand.
This market resolves around Jul 26, 2026, once the match concludes and the result is verified against credible public sources. The outcome will be confirmed based on the official match result recorded by the ITF or other authoritative tennis reporting. Until that point, traders can continue to buy and sell shares as odds fluctuate. Resolution is automatic once the event is finalized and the platform's data sources confirm the winner.
Several factors could shift odds before the match begins or concludes. Player injury reports, recent performance trends, head-to-head records, and court surface conditions at Hillcrest can all influence trader positioning. Weather delays or unexpected withdrawals might also trigger repricing. Additionally, any official announcements from the ITF regarding scheduling or player status could prompt rapid market movement. Traders monitor these signals closely, so this market may see notable volatility as new information becomes public in the days leading up to the event.