Put-Call Ratio (Open Interest) (20-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.

Vaxcyte, Inc. (PCVX) had 20-Day Put-Call Ratio (Open Interest) of 0.0462 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3642
Historical Volatility (Parkinson)	0.4668
Implied Volatility (Calls)	0.4451
Implied Volatility (Puts)	0.4674
Implied Volatility (Mean)	0.4563
Put-Call Implied Volatility Ratio	1.0502
Implied Volatility Skew	0.0626
Option Statistics
Put-Call Ratio (Volume)	0.0556
Put-Call Ratio (Open Interest)	0.0462