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.

First Trust Rising Dividend Achievers ETF (RDVY) had 10-Day Historical Volatility (Parkinson) of 0.1021 for 2026-01-21.

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Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-01-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1741
Historical Volatility (Parkinson)	0.1021
Implied Volatility (Calls)	0.1619
Implied Volatility (Puts)	0.1910
Implied Volatility (Mean)	0.1765
Put-Call Implied Volatility Ratio	1.1797
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--