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 Industrial Select Sector SPDR ETF (XLI) had 30-Day Put-Call Ratio (Volume) of 8.6869 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1978
Historical Volatility (Parkinson)	0.1457
Implied Volatility (Calls)	0.2242
Implied Volatility (Puts)	0.2313
Implied Volatility (Mean)	0.2277
Put-Call Implied Volatility Ratio	1.0317
Implied Volatility Skew	0.0781
Option Statistics
Put-Call Ratio (Volume)	8.6869
Put-Call Ratio (Open Interest)	4.5181