Put-Call Ratio (Volume) (30-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Ouster, Inc. (OUST) had 30-Day Put-Call Ratio (Volume) of 0.1989 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8242
Historical Volatility (Parkinson)	0.6932
Implied Volatility (Calls)	1.0747
Implied Volatility (Puts)	1.1948
Implied Volatility (Mean)	1.1348
Put-Call Implied Volatility Ratio	1.1118
Implied Volatility Skew	-0.0172
Option Statistics
Put-Call Ratio (Volume)	0.1989
Put-Call Ratio (Open Interest)	0.2960