Historical Volatility (Close-to-Close) (60-Day)

Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.

FlexShares Morningstar Global Upstream Natural Resources ETF (GUNR) had 60-Day Historical Volatility (Close-to-Close) of 0.1765 for 2026-07-02.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.1765
Historical Volatility (Parkinson)	0.1070
Implied Volatility (Calls)	0.2074
Implied Volatility (Puts)	0.2033
Implied Volatility (Mean)	0.2054
Put-Call Implied Volatility Ratio	0.9802
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0921