TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 21, 9:11 AM EST
Polymarket
This market refers to the tennis match between Miguel Semedo and Diogo Coelho in the M25 Setubal, Qualifying, originally scheduled for September 21, 2026 at 6:00AM ET. This market will resolve to 'Miguel Semedo' if Miguel Semedo advances against Diogo Coelho. This market will resolve to 'Diogo Coelho' if Diogo Coelho 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 October 5, 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 Diogo Coelho in the M25 Setubal, Qualifying, originally scheduled for September 21, 2026 at 6:00AM ET. This market will resolve to 'Miguel Semedo' if Miguel Semedo advances against Diogo Coelho. This market will resolve to 'Diogo Coelho' if Diogo Coelho 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 October 5, 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 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. The current price reflects the aggregated sentiment of all participants trading on Polymarket, and is continuously updated as new information and opinions are incorporated into the market. This creates a dynamic and responsive pricing system.
This market resolves around Sep 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Setubal tennis match between Miguel Semedo and Diogo Coelho. The platform will then determine the winning outcome and distribute payouts accordingly to those who correctly predicted the result. The official tournament results will serve as the definitive source for determining the market’s resolution.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or updates on their recent performance could all impact trader sentiment. Unexpected upsets in other matches within the tournament could also lead to reassessments of player form and probabilities. Furthermore, significant betting activity from informed traders or large volume purchases could also cause noticeable movements in the market price, reflecting a change in perceived likelihood of either player winning the Setubal tennis match.