Put-Call Ratio (Open Interest) (180-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Schwab U.S. Large-Cap Growth ETF (SCHG) had 180-Day Put-Call Ratio (Open Interest) of 0.2041 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1508
Historical Volatility (Parkinson)	0.1272
Implied Volatility (Calls)	0.2244
Implied Volatility (Puts)	0.1941
Implied Volatility (Mean)	0.2092
Put-Call Implied Volatility Ratio	0.8647
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.1111
Put-Call Ratio (Open Interest)	0.2041