Atossa Therapeutics, Inc. (ATOS)

Last Closing Price: 2.45 (2026-10-05)

Historical Volatility (Close-to-Close) (30-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

Atossa Therapeutics, Inc. (ATOS) had 30-Day Historical Volatility (Close-to-Close) of 0.8563 for 2026-10-05.