FutureFuel Corp. (FF)

Last Closing Price: 4.08 (2026-05-21)

Historical Volatility (Close-to-Close) (180-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 180-Day Historical Volatility (Close-to-Close) of 0.5617 for 2026-05-21.