TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 6, 11:02 AM EST
Polymarket
This market refers to the tennis match between Samuel Heredia and Eduardo Ribeiro in the Antofagasta, originally scheduled for October 5, 2026 at 9:00AM ET. This market will resolve to 'Samuel Heredia' if Samuel Heredia advances against Eduardo Ribeiro. This market will resolve to 'Eduardo Ribeiro' if Eduardo Ribeiro advances against Samuel Heredia. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 19, 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 Samuel Heredia and Eduardo Ribeiro in the Antofagasta, originally scheduled for October 5, 2026 at 9:00AM ET. This market will resolve to 'Samuel Heredia' if Samuel Heredia advances against Eduardo Ribeiro. This market will resolve to 'Eduardo Ribeiro' if Eduardo Ribeiro advances against Samuel Heredia. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 19, 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 wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, incorporating a profit margin. This market, however, is driven purely by traders expressing their beliefs about the likely outcome. If there's a significant discrepancy, it could indicate that the market perceives information differently than the sportsbook, or that one venue has access to unique insights. It’s always useful to compare both to form a well-rounded view.
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 probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders who believe an outcome is likely, the higher the price of its shares will rise. This creates a dynamic pricing system that reflects the collective intelligence of the crowd. The current price reflects the aggregated predictions of all traders on Polymarket.
This market resolves around Oct 12, 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 Antofagasta match, as reported by official sources. Traders will then be able to claim their winnings based on the final outcome. It’s important to note that the exact timing of resolution may depend on the speed at which official results are released, but it will occur as soon as a definitive result is available and verifiable.
Several factors could influence this market before resolution. Any news regarding player injuries, changes in team strategy, or even weather conditions could shift trader sentiment and impact the odds. Unexpected announcements related to the match, such as changes in venue or referee assignments, could also cause significant movement. Furthermore, large trades by influential market participants could also create short-term price fluctuations. Monitoring these signals will be key to understanding how this market evolves as the event draws closer.