TOTAL VOLUME:
$154.3b
24H VOL:
$219,029,434
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,869,293,526
411,051
Markets across
40,408
events
MATCHED EVENTS:
4,377
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 17, 7:55 AM EST
Polymarket
This market refers to the doubles tennis match between Jonge/Opitz and Stevenson/Willis in the Roanne, originally scheduled for October 17, 2026 at 5:00AM ET. This market will resolve to 'Jonge/Opitz' if the team of Jonge/Opitz advances against Stevenson/Willis. This market will resolve to 'Stevenson/Willis' if the team of Stevenson/Willis advances against Jonge/Opitz. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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 Jonge/Opitz and Stevenson/Willis in the Roanne, originally scheduled for October 17, 2026 at 5:00AM ET. This market will resolve to 'Jonge/Opitz' if the team of Jonge/Opitz advances against Stevenson/Willis. This market will resolve to 'Stevenson/Willis' if the team of Stevenson/Willis advances against Jonge/Opitz. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and risk assessment, while this market aggregates the views of many individual traders. It's common to see discrepancies, especially before a significant amount of trading occurs. If a large number of informed bettors believe a sportsbook’s odds are inaccurate, they can express that view through trading activity in this market, causing the odds to shift. This can sometimes lead to prediction markets being more accurate than traditional odds.
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 probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders who believe an outcome is likely, the higher the price of its shares will rise. Conversely, if traders believe an outcome is unlikely, the price of its shares will fall. This dynamic pricing reflects the collective intelligence of the crowd.
This market resolves around Oct 24, 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 Jonge/Opitz and Stevenson/Willis. The platform will verify the result against established sports data sources to determine the winning outcome. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment. The market’s resolution is dependent on a definitive result being publicly available.
Several factors could influence trading activity in this market. Any news regarding the players' form, potential injuries, or changes to playing conditions could shift the odds. Unexpected results in other matches involving these players might also impact market sentiment. Publicly available analysis from tennis experts or shifts in betting patterns at sportsbooks could also drive trading volume and price changes. Ultimately, any information that alters perceptions of the likelihood of either team winning the Roanne doubles match has the potential to move this market.