GT Biopharma, Inc. (GTBP)

Last Closing Price: 0.97 (2025-08-28)

Historical Volatility (Parkinson) (30-Day)

Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.

GT Biopharma, Inc. (GTBP) had 30-Day Historical Volatility (Parkinson) of 1.2670 for 2025-08-28.