Historical Volatility (Close-to-Close) (180-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

ARK 21Shares Blockchain and Digital Economy Innovation ETF (ARKD) had 180-Day Historical Volatility (Close-to-Close) of 0.5332 for 2025-05-30.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.5332
Historical Volatility (Parkinson)	0.3077
Implied Volatility (Calls)	--
Implied Volatility (Puts)	0.3171
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--