Historical Volatility (Parkinson) (150-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.
Simplify US Equity PLUS Bitcoin Strategy ETF (SPBC) had 150-Day Historical Volatility (Parkinson) of 0.0930 for 2026-01-20.
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