TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 5, 7:40 AM EST
Polymarket
This market refers to the tennis match between Daniil Ostapenkov and Florent Bax in the Istanbul 2, originally scheduled for August 5, 2026 at 6:00AM ET. This market will resolve to 'Daniil Ostapenkov' if Daniil Ostapenkov advances against Florent Bax. This market will resolve to 'Florent Bax' if Florent Bax advances against Daniil Ostapenkov. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 Daniil Ostapenkov and Florent Bax in the Istanbul 2, originally scheduled for August 5, 2026 at 6:00AM ET. This market will resolve to 'Daniil Ostapenkov' if Daniil Ostapenkov advances against Florent Bax. This market will resolve to 'Florent Bax' if Florent Bax advances against Daniil Ostapenkov. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders manually set prices through buying and selling contracts, which determines the market’s implied probability. The current top outcome chance reflects aggregated trader expectations, with volume of $111,391 showing overall interest. Price adjustments happen constantly as new information emerges, allowing rapid shifts in odds based on real-time sentiment rather than external analysts.
This market resolves around Aug 12, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match outcome, and the market updates automatically to reflect the confirmed winner or draw, closing all positions based on that final result.
Key signals that could shift this market include fight-related news such as injury updates, training progress reports, or changes in betting volume from large traders. Media coverage highlighting either fighter’s strengths or weaknesses may also influence trader sentiment. As Aug 12, 2026 approaches, any last-minute developments — even minor ones — might cause rapid price swings, so monitoring credible sports news sources is essential for tracking potential market movers.