TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 14, 3:13 PM EST
Polymarket
This market refers to the tennis match between Miguel Semedo and Valentin Vanta in the M25 Sintra, Qualifying, originally scheduled for September 14, 2026 at 4:00AM ET. This market will resolve to 'Miguel Semedo' if Miguel Semedo advances against Valentin Vanta. This market will resolve to 'Valentin Vanta' if Valentin Vanta advances against Miguel Semedo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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 Miguel Semedo and Valentin Vanta in the M25 Sintra, Qualifying, originally scheduled for September 14, 2026 at 4:00AM ET. This market will resolve to 'Miguel Semedo' if Miguel Semedo advances against Valentin Vanta. This market will resolve to 'Valentin Vanta' if Valentin Vanta advances against Miguel Semedo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome of the Semedo vs Vanta match. The price of a share directly corresponds to the probability of that outcome occurring. As more traders buy shares in a particular outcome, the 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 ensures that the market reflects the most up-to-date information and collective intelligence of the participants. The current implied probabilities are constantly updated based on trading activity.
This market resolves around Sep 21, 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 Semedo vs Vanta match as determined by the governing sporting body. The platform will verify the result against established sources to ensure accuracy and transparency. Traders who hold shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment. It’s important to monitor the event closely as the resolution date approaches.
Several factors could significantly influence this market before the Sep 21, 2026 resolution date. Any news regarding injuries to either Miguel Semedo or Valentin Vanta would likely cause a shift in the odds. Updates on their training regimens, recent performance in other matches, or even changes in coaching strategies could also impact trader sentiment. Unexpected announcements about the match location or format could also play a role. Monitoring these types of signals will be crucial for anyone looking to make informed trading decisions in this market.