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 27, 2:08 PM EST
Polymarket
This market refers to the tennis match between Aidan Mayo and Hynek Barton in the Sioux Falls, originally scheduled for October 26, 2026 at 11:00AM ET. This market will resolve to 'Aidan Mayo' if Aidan Mayo advances against Hynek Barton. This market will resolve to 'Hynek Barton' if Hynek Barton 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 November 9, 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 Hynek Barton in the Sioux Falls, originally scheduled for October 26, 2026 at 11:00AM ET. This market will resolve to 'Aidan Mayo' if Aidan Mayo advances against Hynek Barton. This market will resolve to 'Hynek Barton' if Hynek Barton 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 November 9, 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.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the likelihood of a particular outcome. The price of these shares directly reflects the implied probability of that outcome occurring. 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 prices adjust to reflect the evolving consensus. The market's depth and volume indicate the level of confidence and activity surrounding each possible result in the Mayo vs Barton match.
This market resolves around Nov 2, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Mayo vs Barton match as reported by recognized sports authorities. The platform will verify the outcome against these sources to determine the winning share(s). Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at the time of resolution. It's important to monitor the event's progress leading up to this date to stay informed.
Several factors could influence this market before Nov 2, 2026. Any news regarding player injuries, changes in coaching strategies, or unexpected performance in preceding matches could significantly shift trader sentiment. Public opinion, as reflected in polls or expert analysis, might also play a role, though this market is driven by individual forecasts. Major upsets in related events or announcements about match conditions (e.g., venue changes) could also cause price fluctuations. Monitoring these signals will be crucial for understanding potential shifts in the implied probabilities.