Generated July 2026 from current fund data.
Overview
SGOV and TLT are both Treasury-focused ETFs from iShares that differ fundamentally in maturity and duration. SGOV holds 0-3 month Treasury bills and delivers a 3.53% distribution rate with minimal interest-rate sensitivity. TLT holds 20+ year Treasury bonds, yields 4.52%, and carries significant duration risk—its beta of 2.4 reflects how much its price moves with long-rate swings. The choice between them hinges on your need for stability versus yield, and your view on interest-rate direction.
How they differ
SGOV and TLT operate at opposite ends of the Treasury curve. SGOV's three-month-or-shorter holdings mean its price barely moves with rate changes (beta near zero), while TLT's 20-plus-year bonds swing sharply when yields shift—its 2.4 beta is roughly double the stock market's. That duration difference also explains the yield gap: SGOV's 3.53% rate reflects the near-zero-risk profile of Treasury bills, while TLT's higher 4.52% compensates for the volatility and NAV swings that come with long-term bond exposure. On costs, SGOV charges 0.07% annually versus TLT's 0.15%, but the fee difference is small relative to the yield advantage TLT offers. Both distribute monthly. SGOV's $95.2B in AUM dwarfs TLT's $40.7B, though TLT's inception in 2002 gives it a two-decade track record compared to SGOV's 2020 launch.
Who each is best for
SGOV: Fits investors seeking a low-volatility cash equivalent with slightly higher yield than money-market funds, or those holding short-term reserves within a broader portfolio. Works for someone with low risk tolerance or a short time horizon who wants Treasury-backed income without NAV fluctuation.
TLT: Fits investors willing to tolerate meaningful price swings in exchange for higher income and a longer-duration bet. Suits those who believe rates will decline, those with a multi-year or longer horizon, or those using bonds to diversify equity portfolio volatility.
Key risks to know
- Duration risk: TLT's 2.4 beta means a 1% rise in long-term Treasury yields could produce a 2.4% decline in NAV. SGOV's near-zero beta shields it from this risk entirely, but also caps its upside if rates fall.
- Rate-inversion scenarios: If short rates remain elevated relative to long rates, TLT's yield advantage may compress, while SGOV's rate could drift lower as the Fed cuts. The yield curve's shape directly affects which fund outperforms on a total-return basis.
- Call risk and reinvestment timing: Monthly distributions require reinvesting at whatever rates prevail that month. In a declining-rate environment, SGOV investors reinvest at lower yields; TLT holders face the inverse but also benefit from price appreciation if rates fall sharply.
- Interest-rate path sensitivity: TLT's returns are heavily dependent on the direction and speed of long-rate moves over your holding period. Holding TLT during a rising-rate cycle can produce negative total returns despite its distributions.
Bottom line
If you prioritize capital stability and a reliable cash-like yield, SGOV's 3.53% rate with minimal volatility stands out. If you're comfortable with NAV swings in pursuit of higher income and believe rates may decline or stabilize, TLT's 4.52% yield and longer maturity profile may appeal. Past performance doesn't guarantee future results; your choice should reflect your rate outlook and risk tolerance, not recent fund performance.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.