Implied Volatility (Calls) (30-Day)

Implied Volatility (Calls): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money call options with the relevant expiration date.

FlexShares Morningstar Global Upstream Natural Resources ETF (GUNR) had 30-Day Implied Volatility (Calls) of 0.3094 for 2026-06-05.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.1909
Historical Volatility (Parkinson)	0.1074
Implied Volatility (Calls)	0.3094
Implied Volatility (Puts)	0.2178
Implied Volatility (Mean)	0.2636
Put-Call Implied Volatility Ratio	0.7040
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	1.6897