Put-Call Implied Volatility Ratio (20-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 20-Day Put-Call Implied Volatility Ratio of 1.1620 for 2026-03-06.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-03-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2117
Historical Volatility (Parkinson)	0.1084
Implied Volatility (Calls)	0.2526
Implied Volatility (Puts)	0.2935
Implied Volatility (Mean)	0.2730
Put-Call Implied Volatility Ratio	1.1620
Implied Volatility Skew	-0.0435
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--