Put-Call Ratio (Open Interest) (180-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.

Prima BioMed Ltd (IMMP) had 180-Day Put-Call Ratio (Open Interest) of 0.6432 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6144
Historical Volatility (Parkinson)	0.7128
Implied Volatility (Calls)	4.6503
Implied Volatility (Puts)	0.9631
Implied Volatility (Mean)	2.8067
Put-Call Implied Volatility Ratio	0.2071
Implied Volatility Skew	0.4095
Option Statistics
Put-Call Ratio (Volume)	0.0001
Put-Call Ratio (Open Interest)	0.6432