The VanEck Short Muni ETF (NYSEMKT:SMB) and iShares Core 1-5 Year USD Bond ETF (NASDAQ:ISTB) differ most in their sector focus, yield, and portfolio breadth—SMB targets tax-exempt short-term municipal bonds, while ISTB spans thousands of U.S. dollar-denominated bonds with a higher yield and broader diversification. Both SMB and ISTB aim for stable, short-duration fixed income exposure, but each takes a distinct approach. SMB concentrates on tax-advantaged municipal bonds with a narrow sector tilt, while ...