Put-Call Ratio (Volume) (150-Day)

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

Eton Pharmaceuticals, Inc. (ETON) had 150-Day Put-Call Ratio (Volume) of 6.9031 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6297
Historical Volatility (Parkinson)	0.5990
Implied Volatility (Calls)	0.7399
Implied Volatility (Puts)	0.7531
Implied Volatility (Mean)	0.7465
Put-Call Implied Volatility Ratio	1.0179
Implied Volatility Skew	0.0327
Option Statistics
Put-Call Ratio (Volume)	6.9031
Put-Call Ratio (Open Interest)	0.6617