Put-Call Ratio (Volume) (20-Day)

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

Tecogen Inc. (TGEN) had 20-Day Put-Call Ratio (Volume) of 0.0186 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2576
Historical Volatility (Parkinson)	1.0857
Implied Volatility (Calls)	1.1686
Implied Volatility (Puts)	1.1404
Implied Volatility (Mean)	1.1545
Put-Call Implied Volatility Ratio	0.9758
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0186
Put-Call Ratio (Open Interest)	0.2940