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.
TrueShares Technology, AI and Deep Learning ETF (LRNZ) had 20-Day Historical Volatility (Parkinson) of 0.1465 for 2026-01-20.
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