State Street SPDR Portfolio Long Term Treasury ETF (SPTL)

Last Closing Price: 26.60 (2026-01-16)

Implied Volatility (Puts) (180-Day)

Implied Volatility (Puts): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money put options with the relevant expiration date.

State Street SPDR Portfolio Long Term Treasury ETF (SPTL) had 180-Day Implied Volatility (Puts) of 0.1425 for 2026-01-16.