Atara Biotherapeutics, Inc. (ATRA)

Last Closing Price: 14.20 (2025-12-04)

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.

Atara Biotherapeutics, Inc. (ATRA) had 30-Day Historical Volatility (Close-to-Close) of 1.0116 for 2025-12-04.