TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 21, 5:01 AM EST
Kalshi
This event concerns a professional tennis match in the Round of 16 of the 2026 ATP Challenger Istanbul tournament between two competitors. The market resolves based on which player emerges victorious after play has commenced.