TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 10, 5:55 AM EST
Polymarket
This market refers to the doubles tennis match between Arends/Johnson and Melo/Zverev in the Shanghai Rolex Masters, originally scheduled for October 9, 2026 at 10:00PM ET. This market will resolve to 'Arends/Johnson' if the team of Arends/Johnson advances against Melo/Zverev. This market will resolve to 'Melo/Zverev' if the team of Melo/Zverev advances against Arends/Johnson. 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 Arends/Johnson and Melo/Zverev in the Shanghai Rolex Masters, originally scheduled for October 9, 2026 at 10:00PM ET. This market will resolve to 'Arends/Johnson' if the team of Arends/Johnson advances against Melo/Zverev. This market will resolve to 'Melo/Zverev' if the team of Melo/Zverev advances against Arends/Johnson. 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 based on expert analysis and incorporate a margin for profit, while this market allows traders to express their own beliefs, potentially leading to more accurate probabilities. If there’s a significant discrepancy, it might indicate that the crowd believes the sportsbook has mispriced the event. However, it's important to remember that both represent probabilities and can be influenced by various factors, including news and public perception.
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 these shares directly reflects the probability of Arends/Johnson winning against Melo/Zverev. As more traders participate, the price converges towards what the market collectively believes is the true probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing ensures the market remains responsive to new information and changing sentiment surrounding the match, offering a real-time assessment of the likely result.
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 Arends/Johnson vs Melo/Zverev doubles match at the Shanghai Rolex Masters. The platform will verify the result against publicly available sources to determine the winning team and settle the market accordingly. Traders holding shares in the winning outcome will receive a payout, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence the price of shares in this market. Any news regarding player injuries, changes in playing conditions, or even updated match statistics could shift trader sentiment. Unexpected performance in earlier rounds of the tournament for either team could also lead to adjustments in the odds. Furthermore, significant betting activity or large trades on Polymarket itself can create momentum and move the market. Monitoring these signals will be crucial for anyone looking to trade in this market before it resolves.