Historical Volatility (Parkinson) (180-Day)

Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.

State Street SPDR MSCI EAFE StrategicFactors ETF (QEFA) had 180-Day Historical Volatility (Parkinson) of 0.0779 for 2026-03-09.

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Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-03-09

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1152
Historical Volatility (Parkinson)	0.0779
Implied Volatility (Calls)	0.1003
Implied Volatility (Puts)	0.1742
Implied Volatility (Mean)	0.1372
Put-Call Implied Volatility Ratio	1.7372
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--