Put-Call Ratio (Volume) (150-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

VanEck Low Carbon Energy ETF (SMOG) had 150-Day Put-Call Ratio (Volume) of 0.0330 for 2026-05-22.

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Figures for 2026-05-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2291
Historical Volatility (Parkinson)	0.1014
Implied Volatility (Calls)	0.2208
Implied Volatility (Puts)	0.2709
Implied Volatility (Mean)	0.2458
Put-Call Implied Volatility Ratio	1.2268
Implied Volatility Skew	-0.0196
Option Statistics
Put-Call Ratio (Volume)	0.0330
Put-Call Ratio (Open Interest)	0.5165