Historical Volatility (Parkinson) (10-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 SMCI Option Income Strategy ETF (SMCY) had 10-Day Historical Volatility (Parkinson) of 0.5932 for 2026-07-07.

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

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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52-Week Rank and Percentile for all metrics and time frames

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Figures for 2026-07-07

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6871
Historical Volatility (Parkinson)	0.5932
Implied Volatility (Calls)	--
Implied Volatility (Puts)	2.0730
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.9231
Put-Call Ratio (Open Interest)	1.4361