Put-Call Ratio (Volume) (60-Day)

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

State Street SPDR S&P Biotech ETF (XBI) had 60-Day Put-Call Ratio (Volume) of 0.8033 for 2026-03-06.

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Figures for 2026-03-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2767
Historical Volatility (Parkinson)	0.2532
Implied Volatility (Calls)	0.3503
Implied Volatility (Puts)	0.3604
Implied Volatility (Mean)	0.3553
Put-Call Implied Volatility Ratio	1.0287
Implied Volatility Skew	0.0269
Option Statistics
Put-Call Ratio (Volume)	0.8033
Put-Call Ratio (Open Interest)	2.7056