State Street SPDR S&P Biotech ETF (XBI)

Last Closing Price: 125.29 (2026-01-20)

Implied Volatility Skew (150-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 150-Day Implied Volatility Skew of 0.0044 for 2026-01-20.