Put-Call Ratio (Volume) (30-Day)

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

State Street Materials Select Sector SPDR ETF (XLB) had 30-Day Put-Call Ratio (Volume) of 319.2319 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1930
Historical Volatility (Parkinson)	0.1471
Implied Volatility (Calls)	0.3422
Implied Volatility (Puts)	0.2491
Implied Volatility (Mean)	0.2956
Put-Call Implied Volatility Ratio	0.7279
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	319.2319
Put-Call Ratio (Open Interest)	2.3080