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: Aug 31, 11:33 AM EST
Polymarket
This market refers to the doubles tennis match between Freitas/Valdoleiros and Damas/Canas in the Porto, originally scheduled for September 1, 2026 at 5:00AM ET. This market will resolve to 'Freitas/Valdoleiros' if the team of Freitas/Valdoleiros advances against Damas/Canas. This market will resolve to 'Damas/Canas' if the team of Damas/Canas advances against Freitas/Valdoleiros. 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 Freitas/Valdoleiros and Damas/Canas in the Porto, originally scheduled for September 1, 2026 at 5:00AM ET. This market will resolve to 'Freitas/Valdoleiros' if the team of Freitas/Valdoleiros advances against Damas/Canas. This market will resolve to 'Damas/Canas' if the team of Damas/Canas advances against Freitas/Valdoleiros. 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 on Polymarket for this market often differ from traditional sportsbook lines due to unique trader dynamics and market specifications. While sportsbooks may set their lines based on broader analytics and public betting patterns, Polymarket users directly price the outcome through their trades, which can lead to sharper or more volatile odds. Traders should compare these odds to sportsbook lines to spot potential value, keeping in mind that prediction market prices also incorporate aspects like event timing and real-time information flow.
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. Timing is tied to the scheduled match end, with any necessary confirmation period allowing for the verification of final scores and eligible outcomes.
In the run-up to resolution, this market could shift based on player injuries, weather conditions, recent form, or changes to the match venue. Media coverage, expert analysis, and betting trends on Polymarket may also influence trader sentiment. Any last-minute updates to the participating pairs or tournament conditions can cause rapid price adjustments, especially as Sep 8, 2026 approaches and uncertainty diminishes.