TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 11, 5:15 AM EST
Polymarket
This market refers to the tennis match between Ji-Sung Nam and Luca Castelnuovo in the Shanghai, originally scheduled for September 11, 2026 at 3:30AM ET. This market will resolve to 'Ji-Sung Nam' if Ji-Sung Nam advances against Luca Castelnuovo. This market will resolve to 'Luca Castelnuovo' if Luca Castelnuovo advances against Ji-Sung Nam. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 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 Ji-Sung Nam and Luca Castelnuovo in the Shanghai, originally scheduled for September 11, 2026 at 3:30AM ET. This market will resolve to 'Ji-Sung Nam' if Ji-Sung Nam advances against Luca Castelnuovo. This market will resolve to 'Luca Castelnuovo' if Luca Castelnuovo advances against Ji-Sung Nam. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 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.
On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the probability of each outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and express their views, the prices adjust to reflect the collective assessment. This dynamic pricing ensures that the market odds are constantly evolving based on the latest information and sentiment surrounding the Nam vs Castelnuovo match. The current volume indicates active participation in shaping these probabilities.
This market resolves around Sep 18, 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 Nam vs Castelnuovo match, as reported by recognized sports authorities. This ensures a transparent and objective determination of the winning outcome. Traders should monitor official sources for the final result, as this will trigger the settlement of shares on Polymarket. The market will then close, and payouts will be distributed according to the final outcome.
Several factors could influence the price movement of this market before Sep 18, 2026. Any news regarding player injuries, changes in playing conditions, or strategic announcements from either player could significantly shift trader sentiment. Unexpected upsets in other matches featuring either Ji-Sung Nam or Luca Castelnuovo could also impact perceptions of their form and confidence. Furthermore, expert analysis or public opinion shifts, as reflected in polls or media coverage, could drive changes in trading activity and ultimately, the market’s price. Monitoring these signals is key to understanding potential shifts.