Historical Volatility (Parkinson) (90-Day)
Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.
Leverage Shares 2X Long CIEN Daily ETF (CIEG) had 90-Day Historical Volatility (Parkinson) of 1.2982 for 2026-08-13.
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