TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 20, 1:41 PM EST
Polymarket
This market refers to the tennis match between Joshua Leon-Nestler and Guilherme Valdoleiros in the M25 Setubal, Qualifying, originally scheduled for September 20, 2026 at 8:30AM ET. This market will resolve to 'Joshua Leon-Nestler' if Joshua Leon-Nestler advances against Guilherme Valdoleiros. This market will resolve to 'Guilherme Valdoleiros' if Guilherme Valdoleiros advances against Joshua Leon-Nestler. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 Joshua Leon-Nestler and Guilherme Valdoleiros in the M25 Setubal, Qualifying, originally scheduled for September 20, 2026 at 8:30AM ET. This market will resolve to 'Joshua Leon-Nestler' if Joshua Leon-Nestler advances against Guilherme Valdoleiros. This market will resolve to 'Guilherme Valdoleiros' if Guilherme Valdoleiros advances against Joshua Leon-Nestler. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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. The price of a share directly corresponds to the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders believe an outcome is likely, the higher the price of its corresponding shares will rise. This dynamic pricing reflects the aggregated predictions of all participants in the market, creating a real-time forecast for the Setubal tennis match.
This market resolves around Sep 27, 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 Setubal tennis match between Joshua Leon-Nestler and Guilherme Valdoleiros. The platform will verify the result against trusted sources to determine which outcome is the winner and distribute payouts accordingly. Traders should monitor official sources for the match result as the resolution date approaches.
Several factors could influence trading activity in this market. Any news regarding player form, injuries, or changes in playing conditions could shift trader sentiment. Unexpected results in other matches involving these players, or broader trends in tennis performance, might also impact the odds. Furthermore, significant trading volume from informed participants could trigger price movements, reflecting new information or a change in market perception regarding the likely winner of the Setubal tennis match.