Historical Volatility (Parkinson) (120-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.
ProShares Ultra VIX Short-Term Futures ETF (UVXY) had 120-Day Historical Volatility (Parkinson) of 0.6826 for 2026-01-08.
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