Put-Call Ratio (Open Interest) (20-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.

Select STOXX Europe Aerospace & Defense ETF (EUAD) had 20-Day Put-Call Ratio (Open Interest) of 0.1302 for 2026-04-06.

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Figures for 2026-04-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4869
Historical Volatility (Parkinson)	0.2282
Implied Volatility (Calls)	0.3997
Implied Volatility (Puts)	0.4560
Implied Volatility (Mean)	0.4279
Put-Call Implied Volatility Ratio	1.1407
Implied Volatility Skew	0.1031
Option Statistics
Put-Call Ratio (Volume)	0.0428
Put-Call Ratio (Open Interest)	0.1302