Historical Volatility (Parkinson) (120-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.
Amplify SILJ Junior Silver Miners Covered Call ETF (SLJY) had 120-Day Historical Volatility (Parkinson) of 0.4344 for 2026-06-04.
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