Put-Call Ratio (Volume) (20-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Schwab Short-Term U.S. Treasury ETF (SCHO) 20-Day Put-Call Ratio (Volume) data is not available for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0145
Historical Volatility (Parkinson)	0.0093
Implied Volatility (Calls)	0.5483
Implied Volatility (Puts)	1.0067
Implied Volatility (Mean)	0.7775
Put-Call Implied Volatility Ratio	1.8359
Implied Volatility Skew	-0.1635
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1154