TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 11, 6:00 AM EST
Polymarket
This market refers to the doubles tennis match between Halys/Herbert and Helioevaara/Patten in the Roland Garros ATP, originally scheduled for June 4, 2026 at 6:00AM ET. This market will resolve to 'Halys/Herbert' if the team of Halys/Herbert advances against Helioevaara/Patten. This market will resolve to 'Helioevaara/Patten' if the team of Helioevaara/Patten advances against Halys/Herbert. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.
Prediction market odds on Polymarket often differ from traditional sportsbook lines because they reflect decentralized trader sentiment rather than bookmaker risk management. Sportsbooks adjust odds to balance liability; prediction markets aggregate beliefs of many independent participants. For the Halys/Herbert versus Helioevaara/Patten match, comparing Polymarket prices to major sportsbooks can reveal where professional oddsmakers and decentralized traders diverge. These gaps sometimes highlight value opportunities, though prediction markets and sportsbooks may weight player form, court conditions, and head-to-head records differently.
The market resolves on Jun 11, 2026 following the completion of the Halys/Herbert versus Helioevaara/Patten doubles match at Roland Garros. Resolution is determined by the official ATP match result—whichever team wins the contest will be the winning outcome. The market captures the final score and winner as recorded by the tournament organizers and confirmed through standard sports data sources. Once the match concludes and the result is verified, the market settles accordingly.
Several factors could shift odds for the Halys/Herbert versus Helioevaara/Patten match before Jun 11, 2026. Player injuries or withdrawals would dramatically alter probabilities. Recent tournament results, practice-court performance, and head-to-head records between the pairs influence trader confidence. Court conditions at Roland Garros—clay speed, weather, humidity—favor certain playing styles. Team chemistry and doubles-specific form matter more than singles rankings. Media reports on player fitness, coaching changes, or tactical adjustments can trigger repricing. As the match date approaches, any official draw changes or late-breaking news will likely move the market.