TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Apr 13, 9:15 AM EST
Kalshi
Two professional tennis players compete in a match during the 2026 ATP Barcelona tournament. The market tracks whether either player wins the first set of this matchup.