TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 21, 11:30 AM EST
Polymarket
This market refers to the doubles tennis match between Stevenson/Willis and Paulson/Serdarusic in the Lyon Open, originally scheduled for October 20, 2026 at 4:00AM ET. This market will resolve to 'Stevenson/Willis' if the team of Stevenson/Willis advances against Paulson/Serdarusic. This market will resolve to 'Paulson/Serdarusic' if the team of Paulson/Serdarusic advances against Stevenson/Willis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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 Stevenson/Willis and Paulson/Serdarusic in the Lyon Open, originally scheduled for October 20, 2026 at 4:00AM ET. This market will resolve to 'Stevenson/Willis' if the team of Stevenson/Willis advances against Paulson/Serdarusic. This market will resolve to 'Paulson/Serdarusic' if the team of Paulson/Serdarusic advances against Stevenson/Willis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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 to balance action, while this market allows traders to freely adjust probabilities based on their own research and insights. If there's a significant discrepancy, it may indicate that the market believes a sportsbook has mispriced the event. It’s also common to see prediction markets move faster than sportsbooks to incorporate new information, like late-breaking injury reports or weather conditions, influencing the perceived likelihood of each outcome.
On Polymarket, this market is priced through a continuous exchange where traders buy and sell shares representing their belief in the likelihood of a particular outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares in a specific outcome, its price increases, and the implied probability rises. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market dynamically adjusts as new information becomes available and traders update their assessments of the potential results of the Lyon Open doubles match.
This market resolves around Oct 27, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official results of the Lyon Open doubles match between Stevenson/Willis and Paulson/Serdarusic, as declared by the tournament organizers. The winning team as determined by the official tournament results will be the outcome reflected in the resolution of this market. Traders will be able to claim their winnings once the result is officially confirmed and reported.
Several factors could influence trading activity in this market. Any news regarding player injuries, changes in playing conditions (like court surface or weather), or updates on team strategies could all cause shifts in the odds. Unexpected performance in earlier rounds of the tournament for either team could also impact trader sentiment. Furthermore, any significant public endorsements or analysis predicting a specific outcome could lead to increased trading volume and price movement in this market as traders react to the new information.