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%
Closed: Aug 19, 8:17 PM EST
Kalshi
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.
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.