State Street SPDR S&P Biotech ETF (XBI)

Last Closing Price: 133.42 (2026-06-04)

Implied Volatility Skew (120-Day)

Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.

State Street SPDR S&P Biotech ETF (XBI) had 120-Day Implied Volatility Skew of -0.0013 for 2026-06-03.