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 2, 9:48 AM EST
Polymarket
This market refers to the doubles tennis match between Cervantes/Molchanov and Kielan/Vliegen in the Porto, originally scheduled for September 1, 2026 at 5:00AM ET. This market will resolve to 'Cervantes/Molchanov' if the team of Cervantes/Molchanov advances against Kielan/Vliegen. This market will resolve to 'Kielan/Vliegen' if the team of Kielan/Vliegen advances against Cervantes/Molchanov. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 15, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Cervantes/Molchanov and Kielan/Vliegen in the Porto, originally scheduled for September 1, 2026 at 5:00AM ET. This market will resolve to 'Cervantes/Molchanov' if the team of Cervantes/Molchanov advances against Kielan/Vliegen. This market will resolve to 'Kielan/Vliegen' if the team of Kielan/Vliegen advances against Cervantes/Molchanov. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 15, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds in this market often differ from traditional sportsbook lines because they reflect trader sentiment and can adjust faster to new information. While sportsbooks may release fixed odds early, the dynamic nature of Polymarket lets prices shift with each trade. Traders should compare both but note that prediction markets capture crowd-sourced expectations rather than expert-set lines.
This market resolves around Sep 8, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be determined by the official match conclusion, and the platform will update the market accordingly based on that verified data.
Injuries, weather delays, or key performance shifts in practice sessions could move this market. Any update that changes the perceived likelihood of either team winning may cause price swings. Traders will also watch for betting trends on Polymarket and any news from the tournament organizers that might affect competitive balance.