The VanEck Short Muni ETF (SMB +0.06%) and Vanguard Short-Term Bond ETF (BSV +0.22%) both target short-duration fixed income, but BSV offers a higher yield, lower fees, and a much larger asset base, while SMB provides a broader portfolio of municipal bonds and slightly smaller drawdowns.
Both SMB and BSV are designed for investors seeking stability and modest income from short-term bonds. While SMB specializes in tax-exempt U.S. municipal bonds, BSV takes a broader approach with investment-grade government and corporate bonds, setting up a contrast in risk, yield, and diversification for this match-up.
Snapshot (cost & size)
| Metric | SMB | BSV |
|---|---|---|
| Issuer | VanEck | Vanguard |
| Expense ratio | 0.07% | 0.03% |
| 1-yr return (as of 2026-04-15) | 5.2% | 4.4% |
| Dividend yield | 2.7% | 3.9% |
| Beta | 0.10 | 0.09 |
| AUM | $305 million | $44 billion |
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.
BSV looks more affordable with a 0.03% expense ratio compared to SMB’s 0.07%, and it also delivers a higher yield, making it potentially more appealing for cost-conscious investors seeking income.
Performance & risk comparison
| Metric | SMB | BSV |
|---|---|---|
| Max drawdown (5 y) | -7.43% | -8.53% |
| Growth of $1,000 over 5 years | $1,058 | $1,089 |
What’s inside
BSV tracks a broad index of short-term U.S. government and investment-grade corporate bonds, with maturities between one and five years. The fund has a long track record, having launched in 2007, and is backed by roughly $44 billion in assets.
SMB, by contrast, focuses exclusively on short-term municipal bonds, spreading exposure across hundreds of holdings with top positions in issuers like New York City Transitional Finance Authority and the State of California. Because municipal bond income is generally exempt from federal taxes, SMB may be particularly appealing to investors in higher tax brackets who benefit most from tax-exempt income.
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What this means for investors
Short-term bond funds occupy a specific role in a portfolio. They are not trying to generate big returns, but to preserve capital, dampen volatility, and produce modest income while interest rate risk stays low. SMB and BSV both do this at low cost, but they serve meaningfully different investors.
BSV blends roughly 70% government bonds with about 25% investment-grade corporates, producing a straightforward taxable income stream. SMB holds over 300 short-term municipal bonds whose income is generally exempt from federal taxes. SMB’s stated yield looks lower than BSV’s on paper, but for investors in higher tax brackets, the after-tax value of tax-exempt income can close that gap considerably or eliminate it entirely.
BSV charges less and is backed by roughly $44 billion in assets compared to SMB’s $305 million, giving it far greater scale and liquidity. For investors in lower tax brackets, BSV’s broader mix and lower cost make it the more practical choice. For those in higher brackets, SMB’s tax advantage deserves serious consideration.