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Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams
polymarket

Who will win Kostyuk/Stearns vs Williams/Williams?

Volume:
$4,930

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams

 - Polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 18, 2026

Closed: Aug 17, 10:50 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$4,865
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Total Sets: O/U 2.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

View
100%
Yes 100¢No 0¢
1¢
N/A
$5
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set Handicap +/-1.5

View
0%
100%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Match O/U 22.5

View
0%
100%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Match O/U 23.5

View
0%
100%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set 1 Winner

View
100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Match O/U 21.5

View
0%
100%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set 2 Winner

View
0%
100%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set 1 O/U 8.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set 2 O/U 8.5

View
0%
100%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set 1 O/U 9.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set Handicap +/-1.5

View
0%
100%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set 2 O/U 9.5

View
0%
100%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set 1 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open (Doubles): Kostyuk/Stearns vs Williams/Williams Set 2 O/U 10.5

View
0%
100%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Description

This market refers to the doubles tennis match between Kostyuk/Stearns and Williams/Williams in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will resolve to 'Kostyuk/Stearns' if the team of Kostyuk/Stearns advances against Williams/Williams. This market will resolve to 'Williams/Williams' if the team of Williams/Williams advances against Kostyuk/Stearns. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 WTA Tour. A consensus of credible reporting may also be used.

Polymarket

This market refers to the doubles tennis match between Kostyuk/Stearns and Williams/Williams in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will resolve to 'Kostyuk/Stearns' if the team of Kostyuk/Stearns advances against Williams/Williams. This market will resolve to 'Williams/Williams' if the team of Williams/Williams advances against Kostyuk/Stearns. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 WTA Tour. A consensus of credible reporting may also be used.

Frequently asked questions

On Polymarket, this market reflects trader sentiment rather than traditional sportsbook lines. Prediction market odds often diverge from sportsbook odds due to different participant motivations and information sources. Traders on Polymarket may price in nuanced factors or real-time developments that sportsbooks might not immediately adjust for. The resulting probabilities can therefore appear more volatile or reflect alternative risk assessments. Comparing the two provides a view of how speculative versus established betting markets evaluate the Cincinnati Open doubles matchup market.

On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders collectively set the price through buying and selling shares of possible outcomes. The current top outcome reflects the aggregate belief of participants, displayed as a percentage chance. Volume of $4,930 indicates liquidity, while the 24-hour volume of $4,902 shows recent trading activity and interest levels.

This market resolves around Aug 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match result from the tournament organizers, ensuring an accurate and transparent settlement based on real-world events.

Several signals could shift this market before Aug 23, 2026. Key player injuries, changes in team dynamics, or recent match performances may cause traders to reassess probabilities. Weather conditions or tournament-specific updates such as seeding changes could also influence expectations. As the event approaches, any public statements from the players or coaches, along with betting trends on traditional sportsbooks, might drive volume and price adjustments on Polymarket.