Put-Call Ratio (Open Interest) (150-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.

Perrigo Company plc (PRGO) had 150-Day Put-Call Ratio (Open Interest) of 0.4383 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5352
Historical Volatility (Parkinson)	0.3214
Implied Volatility (Calls)	0.5827
Implied Volatility (Puts)	0.4437
Implied Volatility (Mean)	0.5132
Put-Call Implied Volatility Ratio	0.7614
Implied Volatility Skew	0.1432
Option Statistics
Put-Call Ratio (Volume)	0.8333
Put-Call Ratio (Open Interest)	0.4383