TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Apr 22, 11:59 PM EST
Kalshi
Airport security screening activity on April 15, 2026 will be tracked to measure passenger volume flowing through U.S. airports on that date. This metric reflects travel demand and airport operational capacity during the spring travel season.