FutureFuel Corp. (FF)

Last Closing Price: 4.23 (2026-02-19)

Historical Volatility (Close-to-Close) (20-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.

FutureFuel Corp. (FF) had 20-Day Historical Volatility (Close-to-Close) of 0.3676 for 2026-02-19.