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.

BeOne Medicines Ltd. - Sponsored ADR (ONC) had 120-Day Put-Call Ratio (Open Interest) of 3.0419 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3880
Historical Volatility (Parkinson)	0.3291
Implied Volatility (Calls)	0.4324
Implied Volatility (Puts)	0.4285
Implied Volatility (Mean)	0.4304
Put-Call Implied Volatility Ratio	0.9911
Implied Volatility Skew	-0.0031
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	3.0419