State Street SPDR Portfolio Long Term Treasury ETF (SPTL)

Last Closing Price: 25.48 (2026-07-21)

Implied Volatility Skew (60-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 60-Day Implied Volatility Skew of 0.0255 for 2026-07-21.