Tecogen Inc. (TGEN)

Last Closing Price: 5.32 (2025-06-05)

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.

Tecogen Inc. (TGEN) had 60-Day Historical Volatility (Close-to-Close) of 1.1209 for 2025-05-23.