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 19, 3:21 PM EST
Polymarket
This market tracks whether the tennis match between Alexander Zverev and Tommy Paul at the Cincinnati Open will last more or less than 2.5 sets, and on Polymarket, the current probability for over 2.5 sets stands at 100%. The settlement will be based on official results from https://www.atptour.com/en/scores/current. Watch for the match outcome on August 26, 2026, as this is the estimated resolution date for the event.
This market refers to the tennis match between Alexander Zverev and Tommy Paul in the Cincinnati Open, originally scheduled for August 19, 2026 at 11:00AM ET. This market will resolve to 'Alexander Zverev' if Alexander Zverev advances against Tommy Paul. This market will resolve to 'Tommy Paul' if Tommy Paul advances against Alexander Zverev. 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.
Prediction market odds in this market often reflect a different outlook than traditional sportsbook lines. While sportsbooks may incorporate broader public betting patterns and house adjustments, prediction markets rely purely on trader sentiment and real-time trading activity. This can lead to tighter spreads or more volatile movements, especially as new tournament results emerge. Comparing both can give insight into where informed traders are placing their confidence.
This market resolves around Aug 26, 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 market will close based on the confirmed winner at that time. No further trading will occur after the match is officially over.
Key signals that could shift this market include player injuries, recent match performances, weather conditions on match day, and strategic adjustments by coaches. Any unexpected changes in form or momentum leading up to Aug 26, 2026 may cause traders to re-evaluate their positions, impacting odds. Media updates and pre-match betting trends can also create volatility as the event approaches.