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 Mega Cap Value Index Fund ETF Shares (MGV) had 90-Day Historical Volatility (Parkinson) of 0.0968 for 2026-04-06.
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