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.

iShares Russell 1000 ETF (IWB) had 150-Day Put-Call Ratio (Volume) of 0.2454 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1231
Historical Volatility (Parkinson)	0.0924
Implied Volatility (Calls)	0.1622
Implied Volatility (Puts)	0.1627
Implied Volatility (Mean)	0.1625
Put-Call Implied Volatility Ratio	1.0032
Implied Volatility Skew	0.0552
Option Statistics
Put-Call Ratio (Volume)	0.2454
Put-Call Ratio (Open Interest)	0.2167