TOTAL VOLUME:
$134b
24H VOL:
$87,997,338
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,395,155,069
395,664
Markets across
30,076
events
MATCHED EVENTS:
2,626
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 18, 12:49 AM EST
Kalshi
Two professional tennis players will compete in a high-stakes match where the outcome depends solely on who claims victory after the first ball is struck.
If Peyton Stearns wins the Stearns vs Stephens professional tennis match in the 2026 WTA Guadalajara Quarterfinal after a ball has been played, then the market resolves to Yes. If Sloane Stephens wins the Stearns vs Stephens professional tennis match in the 2026 WTA Guadalajara Quarterfinal after a ball has been played, then the market resolves to Yes.