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 U.S. Small-Cap ETF (SCHA) had 20-Day Put-Call Ratio (Volume) of 0.0862 for 2026-06-03.

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Figures for 2026-06-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1764
Historical Volatility (Parkinson)	0.1387
Implied Volatility (Calls)	0.2623
Implied Volatility (Puts)	0.2453
Implied Volatility (Mean)	0.2538
Put-Call Implied Volatility Ratio	0.9351
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0862
Put-Call Ratio (Open Interest)	0.0606