TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 25, 8:40 AM EST
Polymarket
This market refers to the tennis match between Kylian Collignon and Sebastian Heinrich in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 25, 2026 at 4:00AM ET. This market will resolve to 'Kylian Collignon' if Kylian Collignon advances against Sebastian Heinrich. This market will resolve to 'Sebastian Heinrich' if Sebastian Heinrich advances against Kylian Collignon. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 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 Kylian Collignon and Sebastian Heinrich in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 25, 2026 at 4:00AM ET. This market will resolve to 'Kylian Collignon' if Kylian Collignon advances against Sebastian Heinrich. This market will resolve to 'Sebastian Heinrich' if Sebastian Heinrich advances against Kylian Collignon. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 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 in this market often differ from traditional sportsbook lines due to trader sentiment and liquidity dynamics. While sportsbooks may reflect sharp professional opinions and adjusted margins, prediction markets capture crowd-sourced forecasts that can shift rapidly with new information or betting patterns, sometimes showing wider or narrower implied probabilities.