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.

One Stop Systems, Inc. (OSS) had 120-Day Put-Call Ratio (Volume) of 0.1730 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0787
Historical Volatility (Parkinson)	0.8707
Implied Volatility (Calls)	1.2097
Implied Volatility (Puts)	1.3233
Implied Volatility (Mean)	1.2665
Put-Call Implied Volatility Ratio	1.0939
Implied Volatility Skew	-0.0335
Option Statistics
Put-Call Ratio (Volume)	0.1730
Put-Call Ratio (Open Interest)	0.2228