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.
Alerian MLP Index ETNs due January 28, 2044 (AMJB) had 90-Day Historical Volatility (Parkinson) of 0.1167 for 2026-01-16.
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