DFCA vs MUB

DFCABDimensional California Municipal Bond ETF

MUBAiShares National Muni Bond ETF

In short

DFCA California munis, run the Dimensional way: an actively managed intermediate portfolio hunting income exempt from federal and California state income tax, priced at 0.19% a year, below the typical muni bond ETF.

MUB Municipal bonds, indexed and cheap. Since 2007, MUB has packaged investment-grade national munis into tax-exempt monthly income for five basis points a year, and it sits among the deepest pools in the muni-ETF aisle.

Stated mandate

DFCA The Fund seeks current income expected to be exempt from federal personal income tax and California state personal income taxes.

MUB The fund seeks to track an index of investment-grade U.S. municipal bonds, providing diversified exposure to the national municipal-bond market and tax-exempt income.

Why people hold it

• DFCA 0.19% a year, under the median fee in the muni ETF group, and that buys active management rather than straight index replication.sec.gov
• Leans into longer bonds when the curve pays for term risk and shorter when it does not, staying within a duration band set around its California AMT-free benchmark.sec.gov
• A fundamental policy puts at least 80% of assets in bonds whose interest escapes both federal and California personal income tax. Income arrives monthly.sec.gov
• Roughly 300 positions across revenue, general obligation and lease bonds, broad for a one-state book, and it sits in the upper tier of the muni ETFs we grade.sec.gov

• MUB 0.05% a year against a muni-ETF median near 0.30%. In a category built on modest, tax-exempt yields, that fee gap is real money left in the fund.
• The benchmark is AMT-free: the ICE AMT-Free US National Municipal Index screens out munis whose interest can be pulled into the alternative minimum tax.ishares.com
• Tracks its index closely, one of the tighter jobs in its peer group, and distributes monthly. A multi-billion-dollar fund that trades actively.
• Broad investment-grade exposure across the national muni market, spread over thousands of issuers rather than one state's budget.ishares.com

Worth knowing

• DFCA One state's finances drive the whole portfolio. National muni funds such as VTEB (0.03%) and MUB (0.05%) spread credit across the country for less.
• The California half of the tax break counts only for California taxpayers; everyone else is left with the federal exemption alone.sec.gov
• Intermediate maturities mean rates drive prices, and as a 2023 launch that trades in moderate volume, spreads can run wider than the giant national muni funds.sec.gov

• MUB Two rivals undercut it: VTEB and SCMB both run 0.03%. A two-basis-point gap is small, but it is a gap.
• A bond fund with no maturity date to hold to. Share prices move with interest rates and muni credit conditions, both directions.
• National by design, so no single-state tilt and no in-state tax angle. iShares runs state-specific muni funds such as NYF for that job.

Full DFCA profile⁠

Full MUB profile⁠