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 14, 11:50 AM EST
Polymarket
This market refers to the doubles tennis match between Stevenson/Willis and Cornea/Doumbia in the Roanne, originally scheduled for October 13, 2026 at 5:00AM ET. This market will resolve to 'Stevenson/Willis' if the team of Stevenson/Willis advances against Cornea/Doumbia. This market will resolve to 'Cornea/Doumbia' if the team of Cornea/Doumbia advances against Stevenson/Willis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 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 Stevenson/Willis and Cornea/Doumbia in the Roanne, originally scheduled for October 13, 2026 at 5:00AM ET. This market will resolve to 'Stevenson/Willis' if the team of Stevenson/Willis advances against Cornea/Doumbia. This market will resolve to 'Cornea/Doumbia' if the team of Cornea/Doumbia advances against Stevenson/Willis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 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. Sportsbooks often set initial lines based on statistical models and expert analysis, while this market aggregates the beliefs of many individual traders. Discrepancies can arise due to differing information, biases, or risk appetites. If a significant difference exists, opportunities for arbitrage may emerge, where traders can profit by simultaneously betting on both platforms. However, it's important to remember that prediction market odds are dynamic and can shift rapidly based on new information and trading activity.
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. As more traders participate, the price adjusts to incorporate new information and changing sentiment. 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 there is no external influence on the pricing process. The current price indicates the collective assessment of traders regarding the likelihood of Stevenson/Willis and Cornea/Doumbia winning.
This market resolves around Oct 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Roanne doubles match between Stevenson/Willis and Cornea/Doumbia. The winning team, as determined by the official tournament organizers, will dictate the outcome of this market. Traders will be able to see the final result reflected in the market's settlement data shortly after the match concludes and the official results are published.
Several factors could influence the price of this market before Oct 20, 2026. News regarding player injuries, changes in team strategy, or even weather conditions could all impact trader sentiment. Unexpected upsets in other matches within the tournament could also shift expectations. Furthermore, significant trading volume from informed participants could signal new information or a change in outlook. Any developments that alter the perceived probability of Stevenson/Willis or Cornea/Doumbia winning the Roanne doubles match have the potential to move this market.