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.

Ouster, Inc. (OUST) had 20-Day Put-Call Ratio (Volume) of 1.5276 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2403
Historical Volatility (Parkinson)	1.1308
Implied Volatility (Calls)	1.6332
Implied Volatility (Puts)	1.5198
Implied Volatility (Mean)	1.5765
Put-Call Implied Volatility Ratio	0.9306
Implied Volatility Skew	0.0411
Option Statistics
Put-Call Ratio (Volume)	1.5276
Put-Call Ratio (Open Interest)	0.7234