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.

YieldMax Ultra Option Income Strategy ETF (ULTY) had 120-Day Historical Volatility (Parkinson) of 0.1970 for 2026-01-20.

For much more extensive volatility insights, check out our new product VolVue:

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2242
Historical Volatility (Parkinson)	0.1970
Implied Volatility (Calls)	1.0808
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.2176
Put-Call Ratio (Open Interest)	1.9680