TOTAL VOLUME:
$154.4b
24H VOL:
$230,589,906
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,885,293,300
410,482
Markets across
40,213
events
MATCHED EVENTS:
4,340
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 9, 2:36 AM EST
Polymarket
This market refers to the doubles tennis match between Buse/Vallejo and Andreozzi/Guinard in the Shanghai Rolex Masters, originally scheduled for October 9, 2026 at 10:00PM ET. This market will resolve to 'Buse/Vallejo' if the team of Buse/Vallejo advances against Andreozzi/Guinard. This market will resolve to 'Andreozzi/Guinard' if the team of Andreozzi/Guinard advances against Buse/Vallejo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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 Buse/Vallejo and Andreozzi/Guinard in the Shanghai Rolex Masters, originally scheduled for October 9, 2026 at 10:00PM ET. This market will resolve to 'Buse/Vallejo' if the team of Buse/Vallejo advances against Andreozzi/Guinard. This market will resolve to 'Andreozzi/Guinard' if the team of Andreozzi/Guinard advances against Buse/Vallejo. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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 to balance action, while this market is driven by individuals willing to put their capital behind their beliefs. If a significant number of traders believe Buse/Vallejo have a higher chance of winning than sportsbooks suggest, the odds on Polymarket will likely shift accordingly. It's common to see discrepancies, especially before a lot of information becomes public, or when there’s strong public bias.
This market resolves around Oct 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 Shanghai Rolex Masters doubles match between Buse/Vallejo and Andreozzi/Guinard. The winning team as declared by the tournament organizers will determine the outcome of this market. Traders holding shares representing the winning team will receive a payout of 1 USDC per share, while those holding shares representing the losing team will receive 0 USDC.
Several factors could influence the price of shares in this market. Any news regarding player injuries, changes in playing conditions, or even updated rankings could shift trader sentiment. Unexpected results in earlier rounds of the tournament, or strong performances by either team in other matches, could also impact the odds. Furthermore, significant trading volume from informed bettors could quickly move the market, especially if it signals a change in perceived probabilities. Monitoring these signals will be key to understanding potential shifts in this market.