Put-Call Implied Volatility Ratio (180-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

State Street SPDR MSCI EAFE Fossil Fuel Reserves Free ETF (EFAX) had 180-Day Put-Call Implied Volatility Ratio of 0.8981 for 2026-10-19.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1570
Historical Volatility (Parkinson)	0.0768
Implied Volatility (Calls)	0.2008
Implied Volatility (Puts)	0.1803
Implied Volatility (Mean)	0.1905
Put-Call Implied Volatility Ratio	0.8981
Implied Volatility Skew	0.0850
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--