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

In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and USO +133.3%.

Which is cheaper, MBB or USO?

MBB is cheaper, by 0.82 percentage points a year. That is about $82 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

MBB vs USO: Differences, Returns & Fees

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MBB is a bond index fund and USO a commodity futures fund, and over the year to Oct 28, 2026, USO returned +133.3% against −0.8%.

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Net assets on Oct 28, 2026: $35.5bn for iShares MBS ETF and $1.9bn for United States Oil Fund, LP.

MBB on its own →USO on its own →

At a glance

−0.8%

MBB total return, 1 year

+133.3%

USO total return, 1 year

0.04%

MBB expense ratio

0.86%

USO expense ratio

Pair scorecard

MBB costs 0.82 points a year less; their one-year returns differ by 134.1 points; MBB is 18.7 times larger.

MBB vs USO: Differences, Returns & Fees
Measure	MBB	USO
Return
Measure	MBB	USO
Total return, 1 year	−0.8%	+133.3%
Drawdown
Measure	MBB	USO
Below its high		82.3%, high on Jul 14, 2008
Benchmark
Measure	MBB	USO
What it tracks	Bloomberg U.S. MBS Index	Oil futures
Cost and size
Measure	MBB	USO
Expense ratio	0.04%	0.86%
Net assets	$35.5bn	$1.9bn
Holdings
Measure	MBB	USO
Holdings in common	not published

Method

Side by side

MBB iShares MBS ETF USO United States Oil Fund, LP

Where it sits Bond ETF Commodity ETF

Issuer iShares USCF

What it is Tracks an index of mortgage-backed securities Holds oil futures

Total return, 1 year −0.8% +133.3%

Its benchmark over the same days −1.1% (SPMB) not measured

Gap to its benchmark +0.3 pts vs SPMB not measured

Expense ratio 0.04% 0.86%

Holdings 10813 not counted

Net assets $35.5bn $1.9bn

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

Alert

About each fund

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.

USO

USO holds oil futures. Over the year to Oct 28, 2026 it returned +133.3% with distributions reinvested. The prospectus expense ratio is 0.86% a year. It sat 82.3% below its high of Jul 14, 2008 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, MBB or USO?: In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and USO +133.3%.
Which is cheaper, MBB or USO?: MBB is cheaper, by 0.82 percentage points a year. That is about $82 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

MBB vs SIVR BWET vs MBB MBB vs SLV GLDM vs MBB SGOV vs USO USO vs VGLT AGG vs USO BND vs USO

Where to next

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

Sources and dates

MBB filings on SEC EDGAR ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

USCF website ↗

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

Cite this pageCitation, APA and Markdown

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

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