TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Kostyuk / Stearns vs Guo / Mladenovic
kalshi

Kostyuk / Stearns vs Guo / Mladenovic

Volume:
$211,758

Hanyu Guo / Kristina Mladenovic

 - Kalshi

Hanyu Guo / Kristina Mladenovic - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 20, 2026

Closed: Aug 19, 8:17 PM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Hanyu Guo / Kristina Mladenovic

View
100%
Yes 100¢No 0¢
100¢
N/A
$119,131
N/A
N/A
$50,151
Settled
Yes
kalshi

Marta Kostyuk / Peyton Stearns

0%
64%
Yes 0¢No 100¢
100¢
N/A
$92,627
N/A
N/A
$36,681
Settled
No
Total markets: 2

Description

The doubles team of Marta Kostyuk and Peyton Stearns will compete against Hanyu Guo and Kristina Mladenovic in the 2026 WTA Cincinnati Round of 16, with the winning pair advancing to the next stage.

Kalshi

If Marta Kostyuk / Peyton Stearns wins the Kostyuk / Stearns vs Guo / Mladenovic professional tennis match in the 2026 WTA Cincinnati Round Of 16 after a ball has been played, then the market resolves to Yes. If Hanyu Guo / Kristina Mladenovic wins the Kostyuk / Stearns vs Guo / Mladenovic professional tennis match in the 2026 WTA Cincinnati Round Of 16 after a ball has been played, then the market resolves to Yes.