Put-Call Ratio (Open Interest) (180-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

iShares U.S. Oil Equipment & Services ETF (IEZ) had 180-Day Put-Call Ratio (Open Interest) of 3.8312 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2886
Historical Volatility (Parkinson)	0.2289
Implied Volatility (Calls)	0.3099
Implied Volatility (Puts)	0.3269
Implied Volatility (Mean)	0.3184
Put-Call Implied Volatility Ratio	1.0550
Implied Volatility Skew	0.0261
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	3.8312