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.

Tecogen Inc. (TGEN) had 120-Day Put-Call Ratio (Volume) of 0.0000 for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2143
Historical Volatility (Parkinson)	1.2018
Implied Volatility (Calls)	1.6509
Implied Volatility (Puts)	1.7650
Implied Volatility (Mean)	1.7079
Put-Call Implied Volatility Ratio	1.0692
Implied Volatility Skew	0.0027
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.7281