TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 7, 4:00 PM EST
Kalshi
In a professional baseball game between Pittsburgh and Arizona scheduled for May 7, 2026, the market tracks whether either team scores at least one run during the first inning.