Historical Volatility (Parkinson) (90-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 90-Day Historical Volatility (Parkinson) of 0.2860 for 2026-01-07.
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