Put-Call Ratio (Volume) (20-Day)

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

iShares U.S. Oil & Gas Exploration & Production ETF (IEO) 20-Day Put-Call Ratio (Volume) data is not available for 2026-04-21.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3632
Historical Volatility (Parkinson)	0.2520
Implied Volatility (Calls)	0.2922
Implied Volatility (Puts)	0.3900
Implied Volatility (Mean)	0.3411
Put-Call Implied Volatility Ratio	1.3347
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1684