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 0.1909 for 2026-04-17.

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Figures for 2026-04-17

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1319
Historical Volatility (Parkinson)	1.0037
Implied Volatility (Calls)	0.9942
Implied Volatility (Puts)	1.0079
Implied Volatility (Mean)	1.0010
Put-Call Implied Volatility Ratio	1.0137
Implied Volatility Skew	-0.0049
Option Statistics
Put-Call Ratio (Volume)	0.1909
Put-Call Ratio (Open Interest)	0.7762