TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 8, 12:54 PM EST
Polymarket
This market tracks whether Gustavo Heide will win against Eduardo Ribeiro in their upcoming tennis match in Antofagasta. Currently, the Polymarket market gives a 50.0% probability to Gustavo Heide (-4.5) versus Eduardo Ribeiro (+4.5). Resolution will be based on the official scores reported at https://www.atptour.com/en/scores/current. Traders should particularly watch for the match originally scheduled for October 8, 2026 at 9:00AM ET, as this is when the outcome will become clear and the market will resolve.
This market refers to the tennis match between Gustavo Heide and Eduardo Ribeiro in the Antofagasta, originally scheduled for October 8, 2026 at 9:00AM ET. This market will resolve to 'Gustavo Heide' if Gustavo Heide advances against Eduardo Ribeiro. This market will resolve to 'Eduardo Ribeiro' if Eduardo Ribeiro advances against Gustavo Heide. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 22, 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.
Prediction market odds often reflect a different kind of information than sportsbook odds. Sportsbooks typically set lines based on statistical models and public perception, while this market aggregates the wisdom of the crowd. If sportsbook odds significantly differ from those on Polymarket, it may indicate disagreement about the likelihood of certain events or access to unique information among traders. It's important to remember that both represent probabilities, but they are derived from different sources and methodologies, potentially leading to varying perspectives on the most likely outcome of the Antofagasta mayoral race.
This market resolves around Oct 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official results announced by the relevant electoral authorities for the Antofagasta mayoral race. Traders will be able to view the final outcome and the corresponding settlement of their shares on Polymarket following the official announcement. The platform will then determine the winning candidate and distribute funds accordingly to those who correctly predicted the result.
Several signals could significantly move this market before Oct 15, 2026. Major developments in the campaigns, such as significant endorsements, impactful debates, or unexpected policy announcements, could shift voter sentiment and influence trading activity. Polling data releases, even if not perfectly accurate, often cause price adjustments as traders react to perceived changes in the race. Any news related to potential controversies involving the candidates or changes in the political landscape of Antofagasta could also lead to substantial shifts in the probabilities reflected in this market.