TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 6:59 AM EST
Polymarket
This market refers to the tennis match between Niels Visker and Szymon Kielan in the Porto, Portugal, Qualifying, originally scheduled for August 31, 2026 at 5:00AM ET. This market will resolve to 'Niels Visker' if Niels Visker advances against Szymon Kielan. This market will resolve to 'Szymon Kielan' if Szymon Kielan advances against Niels Visker. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 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 Niels Visker and Szymon Kielan in the Porto, Portugal, Qualifying, originally scheduled for August 31, 2026 at 5:00AM ET. This market will resolve to 'Niels Visker' if Niels Visker advances against Szymon Kielan. This market will resolve to 'Szymon Kielan' if Szymon Kielan advances against Niels Visker. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 14, 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.
Key signals that could shift this market include recent tournament performances, player injuries or changes in form, and any last-minute updates from official event organizers. As the match date nears, any public commentary or pre-event rankings may also cause traders to adjust their positions, impacting the odds on this market.