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.

Packaging Corporation of America (PKG) had 20-Day Put-Call Ratio (Volume) of 2.7414 for 2026-06-01.

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Figures for 2026-06-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3435
Historical Volatility (Parkinson)	0.2581
Implied Volatility (Calls)	0.3569
Implied Volatility (Puts)	0.3643
Implied Volatility (Mean)	0.3606
Put-Call Implied Volatility Ratio	1.0208
Implied Volatility Skew	0.0450
Option Statistics
Put-Call Ratio (Volume)	2.7414
Put-Call Ratio (Open Interest)	0.1668