Put-Call Ratio (Open Interest) (150-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.

Royalty Pharma PLC (RPRX) had 150-Day Put-Call Ratio (Open Interest) of 0.0623 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2511
Historical Volatility (Parkinson)	0.2321
Implied Volatility (Calls)	0.2359
Implied Volatility (Puts)	0.2449
Implied Volatility (Mean)	0.2404
Put-Call Implied Volatility Ratio	1.0381
Implied Volatility Skew	0.0625
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0623