Put-Call Ratio (Volume) (30-Day)

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

Protagonist Therapeutics, Inc. (PTGX) had 30-Day Put-Call Ratio (Volume) of 1.3255 for 2025-10-13.

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Figures for 2025-10-13

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0243
Historical Volatility (Parkinson)	0.8662
Implied Volatility (Calls)	0.5961
Implied Volatility (Puts)	0.6033
Implied Volatility (Mean)	0.5997
Put-Call Implied Volatility Ratio	1.0122
Implied Volatility Skew	0.0959
Option Statistics
Put-Call Ratio (Volume)	1.3255
Put-Call Ratio (Open Interest)	3.3760