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.
Nuveen NASDAQ 100 Dynamic Overwrite Fund (QQQX) had 90-Day Historical Volatility (Parkinson) of 0.1363 for 2026-01-20.
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