State Street SPDR Portfolio Long Term Treasury ETF (SPTL)

Last Closing Price: 25.73 (2026-07-17)

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 Long Term Treasury ETF (SPTL) had 30-Day Implied Volatility Skew of -0.9638 for 2026-07-17.