Put-Call Ratio (Open Interest) (30-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. Aerospace & Defense ETF (ITA) had 30-Day Put-Call Ratio (Open Interest) of 0.6179 for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2001
Historical Volatility (Parkinson)	0.1856
Implied Volatility (Calls)	0.2417
Implied Volatility (Puts)	0.2318
Implied Volatility (Mean)	0.2368
Put-Call Implied Volatility Ratio	0.9590
Implied Volatility Skew	0.0455
Option Statistics
Put-Call Ratio (Volume)	0.2245
Put-Call Ratio (Open Interest)	0.6179