Data as of Oct 28, 2026.

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AGG vs USO: Differences, Returns & Fees

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AGG is a bond index fund and USO a commodity futures fund, and over the year to Oct 28, 2026, USO returned +133.3% against −1.4%.

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Net assets: $139.4bn on Oct 27, 2026 for iShares Core U.S. Aggregate Bond ETF, and $1.9bn on Oct 28, 2026 for United States Oil Fund, LP.

At a glance
−1.4%
AGG total return, 1 year
+133.3%
USO total return, 1 year
0.03%
AGG expense ratio
0.86%
USO expense ratio

Pair scorecard

AGG costs 0.83 points a year less; their one-year returns differ by 134.7 points; AGG is far larger, $139.4bn against $1.9bn.

AGG vs USO: Differences, Returns & Fees
MeasureAGGUSO
Return
Total return, 1 year−1.4%+133.3%
Drawdown
Below its high3.4%, high on Aug 4, 202082.3%, high on Jul 14, 2008
Benchmark
What it tracksBloomberg U.S. Aggregate Bond IndexOil futures
Cost and size
Expense ratio0.03%0.86%
Net assets, as of Oct 27, 2026$139.4bn$1.9bn
Holdings
Holdings in commonnot published

Method

Side by side

AGG iShares Core U.S. Aggregate Bond ETF USO United States Oil Fund, LP
Where it sits Bond ETF Commodity ETF
Issuer iShares USCF
What it is Tracks an index of US aggregate bonds Holds oil futures
Total return, 1 year −1.4% +133.3%
Its benchmark over the same days −1.3% (SCHZ) not measured
Gap to its benchmark −0.1 pts vs SCHZ not measured
Expense ratio 0.03% 0.86%
Holdings 13469 not counted
Net assets, AGG as of Oct 27, 2026 and USO as of Oct 28, 2026 $139.4bn $1.9bn

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

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About each fund
AGG

AGG tracks an index of US aggregate bonds. Over the year to Oct 28, 2026 it returned −1.4% with distributions reinvested, against −1.3% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.03% a year. It sat 3.4% below its high of Aug 4, 2020 on Oct 28, 2026.

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, AGG or USO?
In the year to Oct 28, 2026, with distributions reinvested, AGG returned −1.4% and USO +133.3%.
Which is cheaper, AGG or USO?
AGG is cheaper, by 0.83 percentage points a year. That is about $83 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
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ETFIQ, AGG against USO, data as of Oct 28, 2026. https://etfiq.com/compare/any/agg-vs-uso

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