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.
Defiance Daily Target 2X Long KEEL ETF (KEEX) had 90-Day Historical Volatility (Parkinson) of 1.2648 for 2026-05-01.
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