Which returned more over the last year, MUB or SPSB?

In the year to Sep 12, 2026, with distributions reinvested, MUB returned +0.1% and SPSB returned +2.5%, so SPSB returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MUB or SPSB?

MUB charges 0.05% a year and SPSB charges 0.04%, so SPSB is cheaper. Fees come from each fund's prospectus.

Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

MUB vs SPSB: how they differ

MUB and SPSB hold 0% of their weight in the same names, and SPSB returned more over the year.

iShares National Muni Bond ETF and State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF.

What they hold in common

By the books each fund has filed, MUB and SPSB hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in MUB	Only in SPSB
Board of Regents of the University of Te 0.20%	SALESFORCE INC 0.59%
New York State Thruway Authority 0.16%	AERCAP IRELAND CAP/GLOBA 0.46%
New York State Dormitory Authority 0.14%	BANK OF AMERICA CORP 0.44%
Houston Higher Education Finance Corp. 0.13%	CITIGROUP INC 0.44%
Northwest Independent School District 0.13%	MORGAN STANLEY 0.40%
Ohio State University (The) 0.13%	JPMORGAN CHASE & CO 0.39%
State of New Jersey 0.13%	PFIZER INVESTMENT ENTER 0.39%
State of California 0.13%	SPRINT CAPITAL CORP 0.39%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and May 31, 2026.

MUB and SPSB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	MUB iShares National Muni Bond ETF	SPSB State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	State Street
What it is	National Muni Bond	SPDR Portfolio Short Term Corporate Bond
Total return, 1 year	+0.1%	+2.5%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.4 pts	−15.1 pts
Expense ratio	0.05%	0.04%
Holdings	6603	1599

MUB in plain words

MUB is a bond fund tracking the National Muni Bond. Over the year to Sep 11, 2026 it returned +0.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. It sat 3.6% below its high of Jul 6, 2026 on Sep 11, 2026.

SPSB in plain words

SPSB is a bond fund tracking the SPDR Portfolio Short Term Corporate Bond. Over the year to Sep 11, 2026 it returned +2.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.04% a year.

Questions people ask

Which returned more over the last year, MUB or SPSB?: In the year to Sep 12, 2026, with distributions reinvested, MUB returned +0.1% and SPSB returned +2.5%, so SPSB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MUB or SPSB?: MUB charges 0.05% a year and SPSB charges 0.04%, so SPSB is cheaper. Fees come from each fund's prospectus.

Other comparisons

Where to next

Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

MUB against SPSB, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, MUB against SPSB, data as of Sep 12, 2026. https://etfiq.com/compare/any/MUB-SPSB Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources