State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB)

Last Closing Price: 22.52 (2026-01-16)

Implied Volatility Skew (30-Day)

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

State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) had 30-Day Implied Volatility Skew of 0.0680 for 2026-01-16.