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.

Kopin Corporation (KOPN) had 120-Day Put-Call Ratio (Volume) of 0.2644 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1503
Historical Volatility (Parkinson)	1.0993
Implied Volatility (Calls)	1.2154
Implied Volatility (Puts)	1.0791
Implied Volatility (Mean)	1.1472
Put-Call Implied Volatility Ratio	0.8878
Implied Volatility Skew	-0.0067
Option Statistics
Put-Call Ratio (Volume)	0.2644
Put-Call Ratio (Open Interest)	0.1670