Historical Volatility (Parkinson) (120-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.
Defiance Daily Target 2x Short RKLB ETF (RKLZ) had 120-Day Historical Volatility (Parkinson) of 1.6430 for 2026-04-06.
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