TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 4, 3:55 AM EST
Polymarket
This market refers to the doubles tennis match between Luque/Rocha and Diez/Ribeiro in the Porto, originally scheduled for September 3, 2026 at 8:30AM ET. This market will resolve to 'Luque/Rocha' if the team of Luque/Rocha advances against Diez/Ribeiro. This market will resolve to 'Diez/Ribeiro' if the team of Diez/Ribeiro advances against Luque/Rocha. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 17, 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 Luque/Rocha and Diez/Ribeiro in the Porto, originally scheduled for September 3, 2026 at 8:30AM ET. This market will resolve to 'Luque/Rocha' if the team of Luque/Rocha advances against Diez/Ribeiro. This market will resolve to 'Diez/Ribeiro' if the team of Diez/Ribeiro advances against Luque/Rocha. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 17, 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.
Generally, prediction market odds tend to be more accurate than traditional sportsbook odds, especially when considering the wisdom of the crowd. Sportsbooks often set initial lines to attract action, and may adjust them more slowly based on new information. This market, however, reflects the collective intelligence of traders who are incentivized to make accurate predictions. While sportsbooks may offer different odds based on their own models and profit margins, the prices seen here represent a more dynamic and potentially more informed assessment of the likely outcome of the Porto doubles match.
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 reflects the probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders who believe an outcome is likely, the higher the price of its shares will rise, and vice versa. This creates a dynamic pricing system that constantly adjusts to new information and changing sentiment regarding the Porto doubles match.
This market resolves around Sep 10, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official results of the Porto doubles match. The winning team, as declared by the official tournament organizers, will determine the outcome of this market. Traders will be able to claim their winnings once the result is verified and reported, and the shares will settle accordingly based on the final outcome of the Porto doubles match.
Several factors could influence the price of shares in this market before resolution. Any news regarding player injuries, changes in team lineups, or unexpected performance in preceding matches could significantly shift trader sentiment. Additionally, weather conditions on the day of the match, or even public statements from coaches or players, could introduce new information that impacts the perceived probabilities. Major upsets in other related matches could also subtly influence the market as traders reassess their overall expectations for the Porto doubles match.