JPMorgan's Ultra-Short Municipal Income ETF (JMST) is a fairly new short-term municipal bond ETF. JMST primarily invests in a diversified portfolio of investment-grade fixed, variable, and floating-rate municipal securities while actively managing credit and duration exposure. This is a review of JMST and a comparison to the primary short-term municipal bond ETF: the iShares Short-Term National Muni Bond ETF (SUB).
JMST seeks to maintain a portfolio duration of less than one year and, currently, has a duration of about 0.62 years. The ETF is designed to provide income that will be