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 28, 5:10 AM EST
Polymarket
This market refers to the tennis match between Noah Johnston and Simon Caldwell in the M25 Las Vegas, NV, Qualifying, originally scheduled for October 26, 2026 at 12:00PM ET. This market will resolve to 'Noah Johnston' if Noah Johnston advances against Simon Caldwell. This market will resolve to 'Simon Caldwell' if Simon Caldwell advances against Noah Johnston. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Noah Johnston and Simon Caldwell in the M25 Las Vegas, NV, Qualifying, originally scheduled for October 26, 2026 at 12:00PM ET. This market will resolve to 'Noah Johnston' if Noah Johnston advances against Simon Caldwell. This market will resolve to 'Simon Caldwell' if Simon Caldwell advances against Noah Johnston. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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 International Tennis Federation (ITF). 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 likelihood of each outcome. The price of a share directly reflects the implied probability of that outcome occurring. As more traders participate and express their views, the price adjusts accordingly, creating a dynamic and real-time assessment of the event’s potential results. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined solely by supply and demand within Polymarket and isn’t influenced by external factors or other venues.
This market resolves around Nov 2, 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 M25 Las Vegas, NV match between Noah Johnston and Simon Caldwell. The platform will verify the result against publicly available data to determine the winning outcome. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence trading activity and move this market before Nov 2, 2026. Any news regarding the physical condition of either Noah Johnston or Simon Caldwell, such as injuries or illness, would likely have a significant impact. Changes in publicly available performance statistics or expert analysis could also shift trader sentiment. Unexpected announcements about the match’s conditions or location might also cause fluctuations. Ultimately, any information that alters the perceived probability of either competitor winning has the potential to move the market.