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.

FlexShares Morningstar Global Upstream Natural Resources ETF (GUNR) had 180-Day Historical Volatility (Parkinson) of 0.0938 for 2025-12-15.

For much more extensive volatility insights, check out our new product VolVue:

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2025-12-15

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1244
Historical Volatility (Parkinson)	0.0938
Implied Volatility (Calls)	0.1783
Implied Volatility (Puts)	0.1945
Implied Volatility (Mean)	0.1864
Put-Call Implied Volatility Ratio	1.0910
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	2.2759