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.

One Stop Systems, Inc. (OSS) had 20-Day Put-Call Ratio (Volume) of 0.2504 for 2026-03-05.

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Figures for 2026-03-05

Volatility Metrics
Historical Volatility (Close-to-Close)	1.3164
Historical Volatility (Parkinson)	0.8877
Implied Volatility (Calls)	1.0835
Implied Volatility (Puts)	1.2117
Implied Volatility (Mean)	1.1476
Put-Call Implied Volatility Ratio	1.1183
Implied Volatility Skew	-0.0778
Option Statistics
Put-Call Ratio (Volume)	0.2504
Put-Call Ratio (Open Interest)	0.3419