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.

United Therapeutics Corporation (UTHR) had 150-Day Put-Call Ratio (Open Interest) of 1.6229 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3105
Historical Volatility (Parkinson)	0.3053
Implied Volatility (Calls)	0.3409
Implied Volatility (Puts)	0.3367
Implied Volatility (Mean)	0.3388
Put-Call Implied Volatility Ratio	0.9875
Implied Volatility Skew	0.0138
Option Statistics
Put-Call Ratio (Volume)	0.2500
Put-Call Ratio (Open Interest)	1.6229