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.

BeOne Medicines Ltd. - Sponsored ADR (ONC) had 180-Day Put-Call Ratio (Open Interest) of 0.6442 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3464
Historical Volatility (Parkinson)	0.2645
Implied Volatility (Calls)	0.4322
Implied Volatility (Puts)	0.4315
Implied Volatility (Mean)	0.4318
Put-Call Implied Volatility Ratio	0.9985
Implied Volatility Skew	0.0001
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.6442