Put-Call Ratio (Open Interest) (120-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.

NewMarket Corporation (NEU) had 120-Day Put-Call Ratio (Open Interest) of 5.1442 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2597
Historical Volatility (Parkinson)	0.2735
Implied Volatility (Calls)	0.2989
Implied Volatility (Puts)	0.3191
Implied Volatility (Mean)	0.3090
Put-Call Implied Volatility Ratio	1.0677
Implied Volatility Skew	0.0196
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	5.1442