Put-Call Ratio (Volume) (30-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 30-Day Put-Call Ratio (Volume) of 0.1508 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5326
Historical Volatility (Parkinson)	0.5066
Implied Volatility (Calls)	0.5931
Implied Volatility (Puts)	0.5503
Implied Volatility (Mean)	0.5717
Put-Call Implied Volatility Ratio	0.9278
Implied Volatility Skew	-0.0049
Option Statistics
Put-Call Ratio (Volume)	0.1508
Put-Call Ratio (Open Interest)	0.5558