Put-Call Ratio (Open Interest) (30-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.

Portillo's Inc. (PTLO) had 30-Day Put-Call Ratio (Open Interest) of 0.2903 for 2025-08-29.

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Figures for 2025-08-29

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9774
Historical Volatility (Parkinson)	0.4927
Implied Volatility (Calls)	0.4961
Implied Volatility (Puts)	0.5171
Implied Volatility (Mean)	0.5066
Put-Call Implied Volatility Ratio	1.0424
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.6741
Put-Call Ratio (Open Interest)	0.2903