TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 10, 2:15 PM EST
Polymarket
This market refers to the doubles tennis match between Diez/Pereira and Kielan/Vliegen in the Seville, originally scheduled for September 10, 2026 at 4:00AM ET. This market will resolve to 'Diez/Pereira' if the team of Diez/Pereira advances against Kielan/Vliegen. This market will resolve to 'Kielan/Vliegen' if the team of Kielan/Vliegen advances against Diez/Pereira. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 24, 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 Diez/Pereira and Kielan/Vliegen in the Seville, originally scheduled for September 10, 2026 at 4:00AM ET. This market will resolve to 'Diez/Pereira' if the team of Diez/Pereira advances against Kielan/Vliegen. This market will resolve to 'Kielan/Vliegen' if the team of Kielan/Vliegen advances against Diez/Pereira. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 24, 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 reflect a different perspective than those found at traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market relies on the collective wisdom of traders. If a significant discrepancy exists between the implied probability on Polymarket and sportsbook odds, it could indicate that market participants believe the sportsbook is mispricing the event. However, it’s important to remember that both represent probabilities based on different methodologies and information sources.
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 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 price adjusts accordingly, providing a dynamic assessment of the event's likelihood. The market’s price is determined solely by supply and demand among traders on Polymarket.
This market resolves around Sep 17, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Seville doubles match between Diez/Pereira and Kielan/Vliegen. The winning pair will determine the outcome of this market, and the platform will verify the result against publicly available sources. Traders should ensure they understand the resolution timeline and the process for confirming the official result.
Several factors could influence trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updated match analyses from tennis experts could shift trader sentiment. Unexpected results in other matches involving these players might also impact the perceived probabilities. Furthermore, significant trading volume from well-informed participants could signal a change in expectations, potentially leading to price movements in this market. Monitoring these signals can help traders assess potential opportunities.