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 16, 6:33 PM EST
Polymarket
This market refers to the tennis match between Learner Tien and Sebastian Baez in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will resolve to 'Learner Tien' if Learner Tien advances against Sebastian Baez. This market will resolve to 'Sebastian Baez' if Sebastian Baez advances against Learner Tien. 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 Learner Tien and Sebastian Baez in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will resolve to 'Learner Tien' if Learner Tien advances against Sebastian Baez. This market will resolve to 'Sebastian Baez' if Sebastian Baez advances against Learner Tien. 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, this market reflects trader sentiment rather than traditional sportsbook lines. While sportsbooks incorporate expert adjustments and risk management, prediction markets let users directly price outcomes based on real-time information and expectations. The resulting odds can diverge noticeably, especially as new data emerges about player form or match conditions. For the Cincinnati Open tennis match, this difference highlights how crowd-sourced forecasting can offer alternative perspectives compared to established betting odds.
This market resolves around Aug 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the official match outcome as reported by authoritative sports news outlets and tournament organizers. Traders can expect a clear resolution once the final points are played and the winner is officially announced, aligning this market with the real-world result of the Cincinnati Open tennis match.
Several factors could shift this market before it closes on Aug 23, 2026. Key influences include injury updates or recent match performances for either player, as well as weather conditions or surface changes at the tournament venue. Betting trends on Polymarket may also react to media coverage or expert analyses leading up to the event. Any sudden developments affecting player availability or form could cause rapid adjustments in market probabilities as traders reassess their positions.