TOTAL VOLUME:
$154.2b
24H VOL:
$203,036,808
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,857,846,526
408,774
Markets across
40,345
events
MATCHED EVENTS:
4,373
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 5, 5:07 PM EST
Polymarket
This market refers to the doubles tennis match between Alves/Almeida and Cossu/Pena in the Antofagasta, originally scheduled for October 6, 2026 at 9:00AM ET. This market will resolve to 'Alves/Almeida' if the team of Alves/Almeida advances against Cossu/Pena. This market will resolve to 'Cossu/Pena' if the team of Cossu/Pena advances against Alves/Almeida. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 20, 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 Alves/Almeida and Cossu/Pena in the Antofagasta, originally scheduled for October 6, 2026 at 9:00AM ET. This market will resolve to 'Alves/Almeida' if the team of Alves/Almeida advances against Cossu/Pena. This market will resolve to 'Cossu/Pena' if the team of Cossu/Pena advances against Alves/Almeida. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 20, 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.
Often, prediction market odds offer a different perspective than traditional sportsbooks. While sportsbooks set lines based on their own models and incorporate a profit margin, this market reflects the collective wisdom of traders on Polymarket. This can lead to discrepancies, especially when there's significant public information or a strong sentiment not fully captured by sportsbook algorithms. It’s common to see prediction markets move faster to incorporate new information, potentially revealing insights that differ from initial sportsbook offerings. Examining both can provide a more comprehensive view of potential outcomes.
On Polymarket, this market is priced through a continuous auction mechanism. Traders buy and sell shares representing their belief in the probability of a particular outcome. As more shares are purchased for one outcome, its price increases, reflecting a higher perceived chance of success. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of a share directly corresponds to the implied probability of that outcome occurring. This dynamic pricing ensures that the market reflects the aggregated predictions of all participants, creating a real-time forecast for the Antofagasta doubles match.
This market resolves around Oct 13, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on the official results of the Antofagasta doubles match between Alves/Almeida and Cossu/Pena. The winning team, as determined by the official tournament organizers, will dictate the settlement of this market. Traders who held shares in the winning outcome will be paid out according to the final share price, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player form, potential injuries to either Alves, Almeida, Cossu, or Pena, or changes in playing conditions could all have an impact. Unexpected results in preceding matches of the tournament, or even broader shifts in tennis power rankings, might also prompt traders to reassess their predictions. Furthermore, significant betting activity – a large influx of volume on a particular outcome – could quickly move the market, reflecting a change in collective sentiment regarding the Antofagasta doubles match.