TOTAL VOLUME:
$154.3b
24H VOL:
$219,029,434
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,869,293,526
411,051
Markets across
40,408
events
MATCHED EVENTS:
4,377
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 17, 1:56 PM EST
Polymarket
This market refers to the doubles tennis match between Pereira/Lopez and Karol/Paulson in the Maia, originally scheduled for October 17, 2026 at 10:00AM ET. This market will resolve to 'Pereira/Lopez' if the team of Pereira/Lopez advances against Karol/Paulson. This market will resolve to 'Karol/Paulson' if the team of Karol/Paulson advances against Pereira/Lopez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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 Pereira/Lopez and Karol/Paulson in the Maia, originally scheduled for October 17, 2026 at 10:00AM ET. This market will resolve to 'Pereira/Lopez' if the team of Pereira/Lopez advances against Karol/Paulson. This market will resolve to 'Karol/Paulson' if the team of Karol/Paulson advances against Pereira/Lopez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks often set initial lines based on statistical models and expert analysis, while this market allows anyone to trade on their beliefs. If a significant number of traders believe a sportsbook has mispriced an outcome, they can take the opposite position, driving the prediction market odds in a different direction. It’s common to see discrepancies, especially before a lot of information becomes available or if there’s strong public bias towards a particular result.
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 implied probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective view. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price reflects the aggregated assessment of all participants on the platform, and it can fluctuate significantly based on new information or changes in sentiment regarding the Maia doubles match.
This market resolves around Oct 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the match between Pereira/Lopez and Karol/Paulson in the Maia doubles competition. The platform will verify the result against widely available and trusted sources to ensure accuracy. Traders will then be able to claim their winnings or adjust their strategies based on the final result of the match.
Several factors could influence the price of this market before resolution. Any news regarding player injuries, changes in team strategy, or unexpected performance in preceding matches could shift trader sentiment. Publicly available analysis from tennis experts, updated rankings, or even weather conditions at the tournament location could also play a role. A strong showing by either team in another competition leading up to the match could also significantly impact trading activity and move the odds on Polymarket.