State Street SPDR Portfolio Treasury ETF (SPTB) Volatility Skew

Implied volatility skew shows how IV varies across strike prices for a given expiration. Steeper skews indicate higher demand for downside protection relative to upside speculation.

State Street SPDR Portfolio Treasury ETF (SPTB) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $89.1M, listed on AMEX, carrying a beta of 0.07 to the broader market. The State Street SPDR Portfolio Treasury ETF seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the Bloomberg U. public since 2024-05-21.

Volatility skew analysis compares implied volatility across strikes and expirations. No recent options activity for SPTB as of 2026-06-02; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

Learn how volatility skew is reported and how to read the data →