TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 5, 7:06 PM EST
Polymarket
This market refers to the doubles tennis match between Marcos/Lopez and Gornes/Walkow in the Porto, originally scheduled for September 5, 2026 at 10:30AM ET. This market will resolve to 'Marcos/Lopez' if the team of Marcos/Lopez advances against Gornes/Walkow. This market will resolve to 'Gornes/Walkow' if the team of Gornes/Walkow advances against Marcos/Lopez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 19, 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 Marcos/Lopez and Gornes/Walkow in the Porto, originally scheduled for September 5, 2026 at 10:30AM ET. This market will resolve to 'Marcos/Lopez' if the team of Marcos/Lopez advances against Gornes/Walkow. This market will resolve to 'Gornes/Walkow' if the team of Gornes/Walkow advances against Marcos/Lopez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 19, 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 often reflect a different set of information and incentives than those found at traditional sportsbooks. Sportsbooks typically set lines to balance action and incorporate a profit margin, while this market aggregates the wisdom of the crowd. It’s common to see discrepancies, especially before significant events or when new information emerges. While sportsbooks may initially be influenced by expert analysis, this market can quickly adjust based on a broader range of perspectives and real-time developments, potentially offering a different view of the likely outcome.
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 Porto doubles match. The price of these shares directly reflects the implied probability of each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the price adjusts to reflect the collective assessment. This dynamic pricing ensures that the market odds are constantly updated, providing a real-time gauge of expectations for the match.
This market resolves around Sep 12, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Porto doubles match between Marcos/Lopez and Gornes/Walkow. The outcome will be determined by which team advances to the next round of the tournament, as reported by official tournament sources. The platform will verify the result against these sources to ensure an accurate and transparent resolution of this market.
Several factors could influence the price of this market before resolution. Any news regarding player injuries, changes in playing conditions, or updated match previews from tennis analysts could shift trader sentiment. Unexpected results in other matches within the tournament could also impact expectations for the teams involved. Furthermore, significant betting activity or large trades on Polymarket could cause noticeable price movements, reflecting a change in the collective assessment of the likely winner of the Porto doubles match.