TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 25, 3:51 PM EST
Polymarket
This market refers to the tennis match between Daniel Haller and Filippo Valdetara in the M15 Selva Gardena, Qualifying, originally scheduled for October 25, 2026 at 7:00AM ET. This market will resolve to 'Daniel Haller' if Daniel Haller advances against Filippo Valdetara. This market will resolve to 'Filippo Valdetara' if Filippo Valdetara advances against Daniel Haller. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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 Daniel Haller and Filippo Valdetara in the M15 Selva Gardena, Qualifying, originally scheduled for October 25, 2026 at 7:00AM ET. This market will resolve to 'Daniel Haller' if Daniel Haller advances against Filippo Valdetara. This market will resolve to 'Filippo Valdetara' if Filippo Valdetara advances against Daniel Haller. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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.
Prediction market odds often reflect the wisdom of the crowd, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set initial lines based on their own analysis, while this market allows anyone to trade based on their own information and beliefs. It’s common to see discrepancies between the two, especially before a significant amount of trading occurs. Often, prediction markets can be more accurate than traditional polls or analyst predictions, as traders have 'skin in the game' and are incentivized to make informed decisions. This can lead to a more refined assessment of the likely outcome.
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 reflects the implied probability of that outcome occurring. As more people buy shares in a particular outcome, its price increases, and the implied probability rises. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price is determined by the forces of supply and demand, with traders constantly adjusting their positions based on new information and their own analysis of the Haller vs Valdetara match. This dynamic pricing ensures the market reflects the collective intelligence of the crowd.
This market resolves around Nov 1, 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 M15 Selva Gardena match between Daniel Haller and Filippo Valdetara. Any official result declared by the governing body will be used to determine the winning outcome. The platform will verify the result against credible public sources to ensure accuracy and transparency. Traders will then be able to claim their winnings or adjust their positions based on the final result.
Several factors could influence trading activity in this market. Any news regarding the physical condition of either Daniel Haller or Filippo Valdetara, such as injuries or illness, would likely cause significant movement. Changes in their recent performance or rankings could also shift trader sentiment. Unexpected weather conditions at Selva Gardena on the day of the match might also play a role, as could any pre-match analysis from respected sports commentators. Ultimately, any information that alters the perceived probability of either athlete winning could lead to changes in the market price.