Put-Call Ratio (Open Interest) (60-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.

Emergent Biosolutions Inc. (EBS) had 60-Day Put-Call Ratio (Open Interest) of 0.2989 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4935
Historical Volatility (Parkinson)	0.4993
Implied Volatility (Calls)	0.7155
Implied Volatility (Puts)	0.6941
Implied Volatility (Mean)	0.7048
Put-Call Implied Volatility Ratio	0.9701
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.2989