Historical Volatility (Parkinson) (180-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 Government Securities Active ETF Shares (VGVT) had 180-Day Historical Volatility (Parkinson) of 0.2062 for 2026-03-06.
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