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: Sep 8, 6:13 AM EST
Polymarket
This market refers to the tennis match between Jessica Pieri and Valentina Steiner in the W35 Reus, Main Draw, originally scheduled for September 8, 2026 at 4:00AM ET. This market will resolve to 'Jessica Pieri' if Jessica Pieri advances against Valentina Steiner. This market will resolve to 'Valentina Steiner' if Valentina Steiner advances against Jessica Pieri. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 2026, 11:59 PM ET (14 days after the scheduled start), 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 Jessica Pieri and Valentina Steiner in the W35 Reus, Main Draw, originally scheduled for September 8, 2026 at 4:00AM ET. This market will resolve to 'Jessica Pieri' if Jessica Pieri advances against Valentina Steiner. This market will resolve to 'Valentina Steiner' if Valentina Steiner advances against Jessica Pieri. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 2026, 11:59 PM ET (14 days after the scheduled start), 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and ensure profit, while this market relies on the collective wisdom of traders. This can lead to discrepancies, particularly when public sentiment strongly favors one outcome. If a large number of people believe one player will win, the odds on Polymarket may shift more dramatically than at a sportsbook, which might be slower to adjust its lines. It’s a good way to gauge public perception versus professional analysis.
This market resolves around Sep 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Jessica Pieri vs Valentina Steiner match, as reported by the governing body of the sport. The platform will verify the result against established sources to ensure accuracy and transparency. Traders will then be able to claim their winnings based on the final outcome of the match.
Several factors could influence the price of shares in this market. Any news regarding player injuries, changes in playing conditions, or significant shifts in public opinion could cause the odds to move. Unexpected announcements about player form or tactical changes could also impact trading activity. Furthermore, large trades on Polymarket by influential traders could create short-term price fluctuations. Monitoring these signals will be key to understanding how this market evolves leading up to the Sep 15, 2026 resolution.