TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 28, 2:36 AM EST
Polymarket
This market refers to the tennis match between Zhizhen Zhang and Rei Sakamoto in the Seoul, originally scheduled for October 28, 2026 at 9:00PM ET. This market will resolve to 'Zhizhen Zhang' if Zhizhen Zhang advances against Rei Sakamoto. This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Zhizhen Zhang. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 tennis match between Zhizhen Zhang and Rei Sakamoto in the Seoul, originally scheduled for October 28, 2026 at 9:00PM ET. This market will resolve to 'Zhizhen Zhang' if Zhizhen Zhang advances against Rei Sakamoto. This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Zhizhen Zhang. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 often reflect the collective wisdom of a diverse group of traders, which can sometimes differ from sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market relies on individuals freely expressing their beliefs. Discrepancies can arise due to differing information, biases, or risk appetites. It's common to see prediction markets incorporate information faster than sportsbooks, especially in response to breaking news or late-developing insights about the players involved in the Zhang vs Sakamoto match.
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 implied probability of that outcome occurring. As more traders buy shares, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price reflects the aggregated sentiment of all participants, creating a dynamic and real-time assessment of the likelihood of each possible result in the Zhang vs Sakamoto match. This is a forward-looking price, representing expectations for the future.
This market resolves around Nov 5, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Zhang vs Sakamoto match as reported by a recognized tennis authority. The platform will verify the outcome against these sources to determine which shares will pay out. The exact timing of resolution may depend on the speed at which official results are released, but it will occur as soon as a definitive outcome is available and confirmed.
Several factors could influence the price of shares in this market before the Zhang vs Sakamoto match concludes. Any news regarding player injuries, changes in playing conditions, or updated performance statistics could shift trader sentiment. Unexpected results in other matches involving either player could also impact expectations. Furthermore, significant shifts in public opinion or analysis from tennis experts could lead to changes in trading activity and, consequently, the market price. Monitoring these signals will be key to understanding potential movements in this market.