TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 20, 5:07 AM EST
Kalshi
Their match opens with the first set, where Katerina Siniakova and Peyton Stearns will each push to claim the early lead and establish control in this crucial opening stage.
If Katerina Siniakova wins set 1 in the Katerina Siniakova vs Peyton Stearns professional tennis match in the 2026 WTA Osaka Round Of 32, then the market resolves to Yes. If Peyton Stearns wins set 1 in the Katerina Siniakova vs Peyton Stearns professional tennis match in the 2026 WTA Osaka Round Of 32, then the market resolves to Yes.