TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 20, 9:15 PM EST
Polymarket
This market refers to the tennis match between Aidan Mayo and Jordan Lee in the San Diego 2, USA, Qualifying, originally scheduled for September 20, 2026 at 5:30PM ET. This market will resolve to 'Aidan Mayo' if Aidan Mayo advances against Jordan Lee. This market will resolve to 'Jordan Lee' if Jordan Lee advances against Aidan Mayo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 tennis match between Aidan Mayo and Jordan Lee in the San Diego 2, USA, Qualifying, originally scheduled for September 20, 2026 at 5:30PM ET. This market will resolve to 'Aidan Mayo' if Aidan Mayo advances against Jordan Lee. This market will resolve to 'Jordan Lee' if Jordan Lee advances against Aidan Mayo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 4, 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market relies on the collective wisdom of traders. If a significant number of traders believe a sportsbook is undervaluing or overvaluing a particular outcome, the odds on Polymarket may diverge. This can happen due to differing information or analytical approaches, leading to potentially valuable insights for informed bettors. It’s common to see discrepancies, especially before a lot of money flows into either venue.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in each outcome, and the price of those shares fluctuates based on supply and demand. As more people buy shares in a particular outcome, its price increases, indicating a higher probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price of a share reflects the market's aggregate prediction of the likelihood of that outcome occurring. The platform uses this mechanism to dynamically adjust probabilities as new information becomes available and trader sentiment shifts.
This market resolves around Sep 27, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result of the Aidan Mayo vs Jordan Lee match will be used to determine the winning outcome. This includes official results posted by the governing body of the competition. The platform will verify the result against these sources to ensure accuracy and finalize the market's settlement. Traders will then be able to claim their winnings based on the final outcome.
Several factors could influence this market before Sep 27, 2026. Any news regarding player injuries, changes in strategy, or even weather conditions could shift trader sentiment. Unexpected announcements about team lineups or performance metrics could also trigger significant price movements. Furthermore, large trades by influential market participants could create momentum in a particular direction. Monitoring news sources and social media for relevant updates will be key to understanding potential catalysts that could impact the odds for the Aidan Mayo vs Jordan Lee match.