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.
Vanguard U.S. Value Factor ETF Shares (VFVA) had 90-Day Historical Volatility (Parkinson) of 0.1185 for 2026-03-09.
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