TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 28, 6:48 AM EST
Polymarket
This market refers to the tennis match between Lorenzo Sonego and Kamil Majchrzak in the Japan Open Tennis Championships, Qualification, originally scheduled for September 27, 2026 at 11:30PM ET. This market will resolve to 'Lorenzo Sonego' if Lorenzo Sonego advances against Kamil Majchrzak. This market will resolve to 'Kamil Majchrzak' if Kamil Majchrzak advances against Lorenzo Sonego. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 Lorenzo Sonego and Kamil Majchrzak in the Japan Open Tennis Championships, Qualification, originally scheduled for September 27, 2026 at 11:30PM ET. This market will resolve to 'Lorenzo Sonego' if Lorenzo Sonego advances against Kamil Majchrzak. This market will resolve to 'Kamil Majchrzak' if Kamil Majchrzak advances against Lorenzo Sonego. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 bettors, potentially offering a different perspective than traditional sportsbooks. Sportsbook odds are typically set by professional oddsmakers, while this market is driven by individual traders expressing their beliefs. It’s common to see initial discrepancies between the two, as prediction markets can quickly incorporate new information and adjust probabilities based on the flow of capital. However, as the event approaches, the odds on Polymarket tend to converge with those found at major sportsbooks.
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 people buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price reflects the aggregated sentiment of all traders participating in this market, providing a dynamic assessment of the likelihood of either Lorenzo Sonego or Kamil Majchrzak winning.
This market resolves around Oct 5, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the match between Lorenzo Sonego and Kamil Majchrzak at the Japan Open Tennis Championships qualification round. The platform will verify the winner according to publicly available match results, ensuring a transparent and accurate determination of the market’s outcome. Traders should monitor official tournament sources for the final result and resolution timing.
Several factors could influence the price of this market before it resolves. Any news regarding player injuries, changes in playing conditions, or updated match previews from tennis analysts could shift trader sentiment. Unexpected upsets in other qualifying matches might also impact perceptions of player form and confidence. Furthermore, significant betting activity – a large influx of volume on one outcome – could quickly move the odds. Monitoring tennis news sources and observing trading volume on Polymarket will be key to understanding potential market movements.