Current implied probability
Keys Set 2 O/U 8.5 100%+50.0ptLeader of 16 outcomes
Market quality
74 / 100
Medium quality24h Volume
$742.3K
Liquidity
$550.3K
High liquiditySpread
1.0 pt
Tight spreadComments
0
Market data
Updated 22 minutes ago
Aug 20, 26, 4:14 AMAug 28, 26, 3:00 PM
Trends
100%
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100%
100%
0%
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Rules
This market refers to the tennis match between Sara Bejlek and Madison Keys in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.
- This market will resolve to 'Sara Bejlek' if Sara Bejlek advances against Madison Keys.
- This market will resolve to 'Madison Keys' if Madison Keys advances against Sara Bejlek.
- 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.
Prediction Source Comparison
- Also available on Gemini — Sara Bejlek vs Madison Keys · Sara Bejlek 82%
- Also available on Limitless — Sara Bejlek vs Madison Keys · Yes 83%
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Frequently asked questions
- What are the current odds for Cincinnati Open: Sara Bejlek vs Madison Keys?
- Polymarket prices Keys Set 2 O/U 8.5 at 100% as of August 21, 2026.
- When does Cincinnati Open: Sara Bejlek vs Madison Keys resolve?
- Cincinnati Open: Sara Bejlek vs Madison Keys is scheduled to resolve on August 28, 2026.
- How is Cincinnati Open: Sara Bejlek vs Madison Keys settled?
- Polymarket settles this market as follows: This market refers to the tennis match between Sara Bejlek and Madison Keys in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET.
- Where else is Cincinnati Open: Sara Bejlek vs Madison Keys listed?
- The same question is also listed on Gemini, Limitless.