Tantech Holdings Ltd. (TANH)

Last Closing Price: 2.22 (2025-05-30)

Historical Volatility (Close-to-Close) (60-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.

Tantech Holdings Ltd. (TANH) had 60-Day Historical Volatility (Close-to-Close) of 0.9813 for 2025-05-30.