Put-Call Ratio (Volume) (120-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Phathom Pharmaceuticals, Inc. (PHAT) 120-Day Put-Call Ratio (Volume) data is not available for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6735
Historical Volatility (Parkinson)	0.6284
Implied Volatility (Calls)	1.0792
Implied Volatility (Puts)	0.9632
Implied Volatility (Mean)	1.0212
Put-Call Implied Volatility Ratio	0.8925
Implied Volatility Skew	0.1686
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.4891