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.

Pfizer Inc. (PFE) had 30-Day Put-Call Ratio (Open Interest) of 2.0518 for 2025-04-16.

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Figures for 2025-04-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3298
Historical Volatility (Parkinson)	0.3473
Implied Volatility (Calls)	0.3834
Implied Volatility (Puts)	0.3319
Implied Volatility (Mean)	0.3577
Put-Call Implied Volatility Ratio	0.8657
Implied Volatility Skew	0.1380
Option Statistics
Put-Call Ratio (Volume)	0.8411
Put-Call Ratio (Open Interest)	2.0518