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 FTSE Developed Markets Index Fund ETF Shares (VEA) had 180-Day Historical Volatility (Parkinson) of 0.0950 for 2026-03-09.
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