TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 24, 6:21 AM EST
Polymarket
This market refers to the tennis match between Zian Vanderstappen and Claus Piening in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 24, 2026 at 4:00AM ET. This market will resolve to 'Zian Vanderstappen' if Zian Vanderstappen advances against Claus Piening. This market will resolve to 'Claus Piening' if Claus Piening advances against Zian Vanderstappen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 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 Zian Vanderstappen and Claus Piening in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 24, 2026 at 4:00AM ET. This market will resolve to 'Zian Vanderstappen' if Zian Vanderstappen advances against Claus Piening. This market will resolve to 'Claus Piening' if Claus Piening advances against Zian Vanderstappen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 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, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through a continuous order book where traders submit bids and asks for each possible outcome. The current top chance reflects the aggregated wisdom of all participants, showing the implied probability of each result based on buying and selling pressure. Volume and recent trade history also influence how prices move throughout the event’s lifespan.
This market resolves around Aug 31, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will update the market status accordingly. No further trading will be allowed once the match is completed and the result is publicly confirmed.
Several signals could shift this market before it resolves, including player injuries, changes in form, weather conditions, or key pre-match announcements. Any update that impacts the perceived likelihood of a win for either competitor can cause rapid price changes. Traders on Polymarket will react to news as it breaks, so staying informed about the tournament and the athletes’ recent performances is essential for timing entries and exits.