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 Magnificent 7 Bear 1X ETF (QQQD) had 10-Day Historical Volatility (Parkinson) of 0.1076 for 2026-06-03.
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