Historical Volatility (Parkinson) (30-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.

Schwab Fundamental International Small Company Index ETF (FNDC) had 30-Day Historical Volatility (Parkinson) of 0.0662 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0942
Historical Volatility (Parkinson)	0.0662
Implied Volatility (Calls)	0.1600
Implied Volatility (Puts)	0.1750
Implied Volatility (Mean)	0.1675
Put-Call Implied Volatility Ratio	1.0936
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--