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 28, 4:00 AM EST
Polymarket
This market refers to the tennis match between Anna-Lena Friedsam and Julie Pastikova in the ITF Women Amstetten, originally scheduled for July 21, 2026 at 4:00AM ET. This market will resolve to 'Anna-Lena Friedsam' if Anna-Lena Friedsam advances against Julie Pastikova. This market will resolve to 'Julie Pastikova' if Julie Pastikova advances against Anna-Lena Friedsam. 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 Anna-Lena Friedsam and Julie Pastikova in the ITF Women Amstetten, originally scheduled for July 21, 2026 at 4:00AM ET. This market will resolve to 'Anna-Lena Friedsam' if Anna-Lena Friedsam advances against Julie Pastikova. This market will resolve to 'Julie Pastikova' if Julie Pastikova advances against Anna-Lena Friedsam. 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 pricing mechanisms. Sportsbooks set lines to balance action and protect their margin, while prediction markets aggregate trader beliefs through continuous price discovery. This market may show different implied probabilities than traditional betting sites, especially as the event approaches and new information surfaces. Comparing the two can reveal where public perception differs from professional oddsmakers, though both aim to reflect genuine uncertainty about the outcome.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on trader activity and order flow. 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 reflects the collective probability estimate. As more capital flows into one outcome, its price rises and the opposing outcome's price falls, creating a continuous equilibrium. This mechanism ensures prices stay responsive to new information and trader conviction throughout the trading window.
This market resolves around Jul 28, 2026, once the tennis match concludes and the result is verifiable from credible public reporting. The outcome is determined by which player wins the match at the ITF Amstetten event. Resolution occurs after the match is officially completed and confirmed through reliable sports data sources, ensuring accuracy before payouts are finalized.
Several factors could shift prices before the match takes place. Recent player performance, injury reports, or fitness updates about either competitor may trigger significant moves. Court conditions, weather forecasts, and head-to-head history could also influence trader positioning. Unexpected withdrawals, lineup changes, or news affecting either player's preparation would likely cause sharp repricing. As the match date approaches, accumulating evidence about form and readiness typically narrows uncertainty and stabilizes prices closer to the likely outcome.