TOTAL VOLUME:
$154.5b
24H VOL:
$271,200,656
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,922,627,141
420,368
Markets across
40,352
events
MATCHED EVENTS:
4,484
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 15, 9:56 AM EST
Polymarket
This market refers to the doubles tennis match between Heinonen/Vrbensky and Gornes/Walkow in the Maia, originally scheduled for October 15, 2026 at 7:30AM ET. This market will resolve to 'Heinonen/Vrbensky' if the team of Heinonen/Vrbensky advances against Gornes/Walkow. This market will resolve to 'Gornes/Walkow' if the team of Gornes/Walkow advances against Heinonen/Vrbensky. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 29, 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 Heinonen/Vrbensky and Gornes/Walkow in the Maia, originally scheduled for October 15, 2026 at 7:30AM ET. This market will resolve to 'Heinonen/Vrbensky' if the team of Heinonen/Vrbensky advances against Gornes/Walkow. This market will resolve to 'Gornes/Walkow' if the team of Gornes/Walkow advances against Heinonen/Vrbensky. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 29, 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.
Typically, prediction market odds reflect the wisdom of the crowd, and can differ from traditional sportsbook odds due to varying levels of information and differing incentives among bettors. Sportsbooks often incorporate a 'vig' or commission into their odds, while prediction markets aim for a more direct representation of perceived probability. It's common to see this market’s probabilities diverge from initial sportsbook lines, especially as new information emerges or public opinion shifts regarding the Maia doubles match. Analyzing these differences can offer insights into market efficiency and potential value opportunities.
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 implied probability of that outcome occurring. As more traders participate and express their views, the price adjusts to reflect the collective assessment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined solely by supply and demand within Polymarket, and is not influenced by external factors or other prediction venues. This dynamic pricing ensures the market remains responsive to new information and evolving sentiment.
This market resolves around Oct 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Maia doubles match between Heinonen/Vrbensky and Gornes/Walkow, as reported by the official tournament organizers. The winning team, as determined by the official score, will dictate the outcome of this market. Traders will be able to claim their winnings once the result is verified and the market is settled on Polymarket.
Several factors could influence the price of this market before Oct 22, 2026. Any news regarding player injuries, changes in team strategy, or unexpected performance in preceding matches could shift trader sentiment. Publicly available analysis from tennis experts, particularly those focusing on doubles play, might also impact trading activity. Furthermore, significant betting activity on traditional sportsbooks could draw attention to this market and potentially influence prices. Unexpected weather conditions at the tournament location could also be a catalyst, though less directly impactful than player-specific news.