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 22, 5:38 PM EST
Polymarket
This market refers to the doubles tennis match between Oliveira/Rodrigues and Heredia/Barrera in the Cali, originally scheduled for October 20, 2026 at 11:00AM ET. This market will resolve to 'Oliveira/Rodrigues' if the team of Oliveira/Rodrigues advances against Heredia/Barrera. This market will resolve to 'Heredia/Barrera' if the team of Heredia/Barrera advances against Oliveira/Rodrigues. 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 Oliveira/Rodrigues and Heredia/Barrera in the Cali, originally scheduled for October 20, 2026 at 11:00AM ET. This market will resolve to 'Oliveira/Rodrigues' if the team of Oliveira/Rodrigues advances against Heredia/Barrera. This market will resolve to 'Heredia/Barrera' if the team of Heredia/Barrera advances against Oliveira/Rodrigues. 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.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the probability of the outcome. As more shares are purchased for a particular outcome, its price increases, reflecting a higher perceived probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a share represents the implied probability of that outcome occurring, and traders aim to profit by accurately predicting the event's outcome. The current price reflects the collective assessment of all traders participating in this market.
This market resolves around Oct 27, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on the official result of the Cali doubles match between Oliveira/Rodrigues and Heredia/Barrera. The platform will verify the result against official sources to determine which outcome is the winner. Traders will then be able to claim their winnings based on the final result and their holdings in the market.
Several factors could influence the price of this market. Any news regarding player injuries, changes in team strategy, or unexpected match conditions could shift trader sentiment. Strong performance by either team in other recent matches could also impact the odds. Furthermore, significant trading volume from informed traders, or even large individual bets, can cause noticeable price movements. Monitoring these signals will be key to understanding how this market evolves leading up to Oct 27, 2026.