TOTAL VOLUME:
$154.8b
24H VOL:
$245,601,049
24H TRANSACTIONS:
2,985,204,718
OPEN INTEREST:
$1,897,405,322
408,349
Markets across
39,583
events
MATCHED EVENTS:
4,443
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 11, 3:59 AM EST
Polymarket
This market refers to the tennis match between Alex de Minaur and Rei Sakamoto in the Shanghai Rolex Masters, originally scheduled for October 11, 2026 at 10:00PM ET. This market will resolve to 'Alex de Minaur' if Alex de Minaur advances against Rei Sakamoto. This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Alex de Minaur. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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 Alex de Minaur and Rei Sakamoto in the Shanghai Rolex Masters, originally scheduled for October 11, 2026 at 10:00PM ET. This market will resolve to 'Alex de Minaur' if Alex de Minaur advances against Rei Sakamoto. This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Alex de Minaur. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks typically set lines to balance action and incorporate a profit margin, while this market represents the collective wisdom of traders who are incentivized to make accurate predictions. Discrepancies can arise due to differing information, biases, or simply varying interpretations of the players’ form and potential. If significant differences emerge, it may suggest that the market believes a sportsbook has mispriced the probability of a particular outcome in the de Minaur 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 in a particular outcome, the price increases, reflecting growing confidence. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing ensures that the market odds always reflect the latest information and collective intelligence of the traders participating in this market for the de Minaur vs Sakamoto match.
This market resolves around Oct 19, 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 match between Alex de Minaur and Rei Sakamoto, as declared by the tournament organizers. The market will determine which player won the match, and shares will pay out accordingly based on the final score. Traders should monitor official sources for the definitive result that will trigger the market’s settlement.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in playing conditions, or updated match analysis from tennis experts could all have an impact. Unexpected results in earlier rounds of the Shanghai Rolex Masters, or even general shifts in public sentiment, could also move the market. Furthermore, significant trading volume from informed traders – a surge of $447,223 – could indicate a change in expectations regarding the de Minaur vs Sakamoto match.