Which returned more over the last year, HYMB or MBB?

In the year to Oct 28, 2026, with distributions reinvested, HYMB returned −1.0% and MBB −0.8%.

Which is cheaper, HYMB or MBB?

MBB is cheaper, by 0.31 percentage points a year. That is about $31 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

HYMB vs MBB: Differences, Returns & Fees

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HYMB's duration was 7.3 years on Jun 30, 2026 and MBB's 5.7 on Aug 31, 2026; MBB charges 0.04% to HYMB's 0.35%.

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Net assets: $3.8bn on Oct 27, 2026 for State Street SPDR Nuveen ICE High Yield Municipal Bond ETF, and $35.5bn on Oct 28, 2026 for iShares MBS ETF.

HYMB on its own →MBB on its own →

At a glance

−1.0%

HYMB total return, 1 year

−0.8%

MBB total return, 1 year

0.35%

HYMB expense ratio

0.04%

MBB expense ratio

Pair scorecard

MBB costs 0.31 points a year less; their one-year returns differ by 0.2 points; MBB is 9.4 times larger.

HYMB vs MBB: Differences, Returns & Fees
Measure	HYMB	MBB
Return
Measure	HYMB	MBB
Total return, 1 year	−1.0%	−0.8%
Drawdown
Measure	HYMB	MBB
Below its high	4.7%, high on Jul 2, 2026
Benchmark
Measure	HYMB	MBB
What it tracks	ICE US Select High Yield Crossover Municipal Index	Bloomberg U.S. MBS Index
Cost and size
Measure	HYMB	MBB
Expense ratio	0.35%	0.04%
Net assets, as of Oct 26, 2026	$3.8bn	$35.6bn
Holdings
Measure	HYMB	MBB
Holdings in common	0%

Holdings in common uses holdings dated Jun 30, 2026 and Aug 31, 2026. Method

What they share

By the books each fund has filed, HYMB and MBB hold 0% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Aug 31, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first HYMB MBB

Only in one fund ↓

Only in HYMB

PUERTO RICO SALES TAX FING CORP SALES TAX REVENUE, due Jul 1, 2058 2.49%

PUERTO RICO SALES TAX FING CORP SALES TAX REVENUE, due Jul 1, 2058 1.52%

BUCKEYE OH TOBACCO SETTLEMENT FING AUTH, due Jun 1, 2055 1.25%

PUERTO RICO CMWLTH, due Jul 1, 2041 0.63%

PUERTO RICO SALES TAX FING CORP SALES TAX REVENUE, due Jul 1, 2053 0.61%

PUERTO RICO CMWLTH, due Jul 1, 2046 0.54%

NEW YORK ST LIBERTY DEV CORP LIBERTY REVENUE, due Nov 15, 2044 0.46%

MET PIER & EXPOSITION AUTH IL REVENUE, due Dec 15, 2042 0.43%

Only in MBB

Ginnie Mae, due Sep 1, 2056 1.05%

Freddie Mac Pool, due May 1, 2051 0.98%

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.85%

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.70%

Ginnie Mae, due Sep 1, 2056 0.53%

Ginnie Mae II Pool, due Nov 20, 2054 0.51%

Ginnie Mae II Pool, due Oct 20, 2051 0.51%

Ginnie Mae II Pool, due Dec 20, 2051 0.50%

Check overlap with more funds →

Side by side

HYMB State Street SPDR Nuveen ICE High Yield Municipal Bond ETF MBB iShares MBS ETF

Where it sits Bond ETF Bond ETF

Issuer State Street iShares

What it is Tracks an index of Nuveen ICE High Yield Municipal Bond Tracks an index of mortgage-backed securities

Total return, 1 year −1.0% −0.8%

Its benchmark over the same days −1.4% (AGG) −1.1% (SPMB)

Gap to its benchmark +0.4 pts vs AGG +0.3 pts vs SPMB

Expense ratio 0.35% 0.04%

Holdings 2105 10813

Net assets, HYMB as of Oct 27, 2026 and MBB as of Oct 28, 2026 $3.8bn $35.5bn

HYMB and MBB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Alert

About each fund

HYMB

HYMB tracks an index of Nuveen ICE High Yield Municipal Bond. Over the year to Oct 28, 2026 it returned −1.0% with distributions reinvested, against −1.4% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.35% a year. It sat 4.7% below its high of Jul 2, 2026 on Oct 28, 2026.

MBB

MBB tracks an index of mortgage-backed securities. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.1% for its benchmark, the Bloomberg U.S. MBS Index. The prospectus expense ratio is 0.04% a year.

Questions people ask

Which returned more over the last year, HYMB or MBB?: In the year to Oct 28, 2026, with distributions reinvested, HYMB returned −1.0% and MBB −0.8%.
Which is cheaper, HYMB or MBB?: MBB is cheaper, by 0.31 percentage points a year. That is about $31 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

HYMB vs TIP HYMB vs VBIL HYMB vs PFF HYMB vs SGOV MBB vs VTEB MBB vs MUB MBB vs SMBS JMBS vs MBB

Where to next

HYMB on its own →MBB on its own →Hold both: look the portfolio through →Rankings →HYMB dividend history →HYMB holdings →MBB dividend history →MBB holdings →Standards and sources →

Sources and dates

HYMB filings on SEC EDGAR ↗

HYMB prospectus with the expense ratio (SEC) ↗

State Street website ↗

MBB filings on SEC EDGAR ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

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ETFIQ, HYMB against MBB, data as of Oct 28, 2026. https://etfiq.com/compare/any/hymb-vs-mbb

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.