Put-Call Ratio (Volume) (180-Day)

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

United States Oil ETF (USO) had 180-Day Put-Call Ratio (Volume) of 2.5832 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5344
Historical Volatility (Parkinson)	0.4038
Implied Volatility (Calls)	0.5352
Implied Volatility (Puts)	0.5578
Implied Volatility (Mean)	0.5465
Put-Call Implied Volatility Ratio	1.0422
Implied Volatility Skew	-0.0279
Option Statistics
Put-Call Ratio (Volume)	2.5832
Put-Call Ratio (Open Interest)	2.4043