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 2000 ETF (IWM) had 150-Day Put-Call Ratio (Volume) of 1.2025 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1992
Historical Volatility (Parkinson)	0.1726
Implied Volatility (Calls)	0.2258
Implied Volatility (Puts)	0.2312
Implied Volatility (Mean)	0.2285
Put-Call Implied Volatility Ratio	1.0236
Implied Volatility Skew	0.0422
Option Statistics
Put-Call Ratio (Volume)	1.2025
Put-Call Ratio (Open Interest)	1.2209