Which Is the Better iShares Short-Term Bond ETF, IGSB or ISTB?
2026-04-19 10:45:01 ET
The iShares 1-5 Year Investment Grade Corporate Bond ETF (NASDAQ:IGSB) and iShares Core 1-5 Year USD Bond ETF (NASDAQ:ISTB) both target short-term U.S. dollar bonds, but IGSB charges a lower fee, yields slightly more, and has outperformed ISTB over the past one and five years.
Both IGSB and ISTB serve as core fixed income options for investors seeking lower-duration exposure, but their approaches differ. IGSB focuses narrowly on investment-grade U.S. corporate bonds, while ISTB casts a wider net across investment-grade and high-yield bonds, including more diversified sectors. This comparison unpacks the key similarities and differences for cost, returns, risk, and portfolio makeup.
Beta measures price volatility relative to the S&P 500; beta is calculated from five-year monthly returns. The 1-yr return represents total return over the trailing 12 months.
NASDAQ: IGSB
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