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 13, 9:33 PM EST
Polymarket
This market refers to the tennis match between Julien Penzlin and James McGloughlin in the M25 Sintra, Qualifying, originally scheduled for September 13, 2026 at 8:00AM ET. This market will resolve to 'Julien Penzlin' if Julien Penzlin advances against James McGloughlin. This market will resolve to 'James McGloughlin' if James McGloughlin advances against Julien Penzlin. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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 Julien Penzlin and James McGloughlin in the M25 Sintra, Qualifying, originally scheduled for September 13, 2026 at 8:00AM ET. This market will resolve to 'Julien Penzlin' if Julien Penzlin advances against James McGloughlin. This market will resolve to 'James McGloughlin' if James McGloughlin advances against Julien Penzlin. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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.
Prediction market odds often reflect the collective wisdom of a diverse group of traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market is driven by individuals willing to put their capital behind their beliefs. It’s common to see discrepancies, especially before significant events or when new information emerges. Examining these differences can be valuable for informed decision-making, though it’s important to remember that both represent probabilities, not guarantees.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing reflects the evolving sentiment of the crowd and provides a real-time assessment of the likelihood of each player winning the M25 Sintra match. The volume traded also influences price discovery.
This market resolves around Sep 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the M25 Sintra match between Julien Penzlin and James McGloughlin. The platform will verify the winner against publicly available and trusted sources to ensure an accurate and impartial outcome. Traders holding shares in the winning player will receive a payout, while those holding shares in the losing player will forfeit their investment.
Several factors could influence the price of shares in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected announcements about the match schedule or venue could also have an impact. Furthermore, large trades by influential market participants could create short-term price fluctuations. Monitoring these signals and staying informed about the latest developments will be crucial for understanding how this market evolves leading up to the Sep 20, 2026 resolution.