State Street SPDR Portfolio Long Term Treasury ETF (SPTL)

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

Put-Call Implied Volatility Ratio (120-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

State Street SPDR Portfolio Long Term Treasury ETF (SPTL) had 120-Day Put-Call Implied Volatility Ratio of 0.7053 for 2026-01-16.