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 QCOM Bear 1X ETF (QCMD) had 10-Day Historical Volatility (Parkinson) of 0.0756 for 2025-07-15.
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