Put-Call Ratio (Volume) (30-Day)

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

Emergent Biosolutions Inc. (EBS) had 30-Day Put-Call Ratio (Volume) of 0.4067 for 2025-12-05.

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Figures for 2025-12-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7025
Historical Volatility (Parkinson)	0.5655
Implied Volatility (Calls)	0.6636
Implied Volatility (Puts)	0.6845
Implied Volatility (Mean)	0.6741
Put-Call Implied Volatility Ratio	1.0315
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.4067
Put-Call Ratio (Open Interest)	0.1736