Historical Volatility (Parkinson) (30-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 Emerging Markets Government Bond ETF (VWOB) had 30-Day Historical Volatility (Parkinson) of 0.0360 for 2025-05-30.
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