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.

Aurinia Pharmaceuticals Inc (AUPH) had 120-Day Put-Call Ratio (Open Interest) of 0.6231 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4881
Historical Volatility (Parkinson)	0.5002
Implied Volatility (Calls)	0.4466
Implied Volatility (Puts)	0.5001
Implied Volatility (Mean)	0.4733
Put-Call Implied Volatility Ratio	1.1199
Implied Volatility Skew	0.1603
Option Statistics
Put-Call Ratio (Volume)	3.4927
Put-Call Ratio (Open Interest)	0.6231