Historical Volatility (Close-to-Close) (20-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.

Calamos Laddered Bitcoin 80 Series Structured Alt Protection ETF (CBTL) had 20-Day Historical Volatility (Close-to-Close) of 0.3210 for 2025-12-04.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.3210
Historical Volatility (Parkinson)	0.0997
Implied Volatility (Calls)	--
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--