Altimmune, Inc. (ALT)

Last Closing Price: 4.24 (2026-01-16)

Implied Volatility (Calls) (150-Day)

Implied Volatility (Calls): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money call options with the relevant expiration date.

Altimmune, Inc. (ALT) had 150-Day Implied Volatility (Calls) of 1.0095 for 2026-01-16.