Put-Call Ratio (Volume) (150-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Innospec Inc. (IOSP) 150-Day Put-Call Ratio (Volume) data is not available for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2251
Historical Volatility (Parkinson)	0.2499
Implied Volatility (Calls)	0.2884
Implied Volatility (Puts)	0.2769
Implied Volatility (Mean)	0.2826
Put-Call Implied Volatility Ratio	0.9601
Implied Volatility Skew	0.0511
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	5.1558