TOTAL VOLUME:

$134.2b

24H VOL:

$134,145,987

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,441,166,947

406,422

Markets across

30,383

events

MATCHED EVENTS:

2,688

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls
polymarket

Who will win Hsieh/Ostapenko vs Mihalikova/Nicholls?

Volume:
$1,826

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls

 - Polymarket

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 16, 2026

Closed: Aug 16, 3:03 PM EST

polymarket

Polymarket

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$1,826
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set 2 O/U 8.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Match O/U 21.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set 1 O/U 8.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set Handicap +/-1.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set 1 Winner

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set 2 Winner

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Total Sets: O/U 2.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set 2 O/U 9.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set Handicap +/-1.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set 1 O/U 9.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set 2 O/U 10.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Match O/U 22.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Set 1 O/U 10.5

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

Cincinnati Open (Doubles): Hsieh/Ostapenko vs Mihalikova/Nicholls Match O/U 23.5

0%
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 Hsieh/Ostapenko and Mihalikova/Nicholls in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Mihalikova/Nicholls. This market will resolve to 'Mihalikova/Nicholls' if the team of Mihalikova/Nicholls advances against Hsieh/Ostapenko. 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 Hsieh/Ostapenko and Mihalikova/Nicholls in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will resolve to 'Hsieh/Ostapenko' if the team of Hsieh/Ostapenko advances against Mihalikova/Nicholls. This market will resolve to 'Mihalikova/Nicholls' if the team of Mihalikova/Nicholls advances against Hsieh/Ostapenko. 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

The dashboard for the Cincinnati Open doubles match market tracks real-time odds, price fluctuations, and 24-hour volume on Polymarket. It provides a visual representation of how traders are positioning themselves ahead of the match, showing shifts in sentiment as the event approaches. The interface updates continuously to reflect the latest betting activity and market dynamics specific to this market.

On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through trader activity, where participants buy and sell shares corresponding to possible outcomes. The current top outcome reflects the aggregate belief of market participants, expressed as an implied probability. Volume of $1,826 and recent 24-hour volume of $1,826 indicate liquidity and interest levels, influencing how prices adjust throughout the event period.

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 conclusion, and the platform will update the market status accordingly based on widely accepted sources. Timing aligns closely with the actual event schedule, ensuring a prompt resolution after the match finalizes.

Injuries, weather delays, or strategic shifts by players can all impact this market as the event approaches. Media coverage, expert commentary, and practice session reports may also sway trader sentiment. Any unexpected developments affecting the competitiveness or lineup could cause rapid price adjustments, especially with volume of $1,826 indicating active trading interest leading up to Aug 23, 2026.