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.

Portillo's Inc. (PTLO) had 20-Day Put-Call Ratio (Volume) of 0.0548 for 2026-01-08.

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Figures for 2026-01-08

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3753
Historical Volatility (Parkinson)	0.3687
Implied Volatility (Calls)	0.6593
Implied Volatility (Puts)	0.5560
Implied Volatility (Mean)	0.6077
Put-Call Implied Volatility Ratio	0.8433
Implied Volatility Skew	0.0380
Option Statistics
Put-Call Ratio (Volume)	0.0548
Put-Call Ratio (Open Interest)	0.6379