Historical Volatility (Parkinson) (10-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.
Direxion Daily NFLX Bear 1X ETF (NFXS) had 10-Day Historical Volatility (Parkinson) of 0.1782 for 2026-06-04.
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