Historical Volatility (Parkinson) (20-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.
VanEck Rare Earth and Strategic Metals ETF (REMX) had 20-Day Historical Volatility (Parkinson) of 0.3615 for 2026-03-09.
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