State Street SPDR Portfolio Long Term Treasury ETF (SPTL)

Last Closing Price: 24.45 (2026-10-16)

Implied Volatility Skew (20-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 20-Day Implied Volatility Skew of 0.0453 for 2026-10-16.