Ciena Corporation (CIEN)

Last Closing Price: 334.95 (2026-02-20)

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.

Ciena Corporation (CIEN) had 60-Day Historical Volatility (Close-to-Close) of 0.6882 for 2026-02-19.