Historical Volatility (Parkinson) (30-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.
Janus Henderson Equity Linked Moderate Income ETF (JELM) had 30-Day Historical Volatility (Parkinson) of 0.0292 for 2026-06-15.
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