Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
MUB vs USO: how they differ
MUB is a bond index fund and USO a commodity fund, and over the year USO returned more, +112.2% against +0.1%.
iShares National Muni Bond ETF and United States Oil Fund, LP.
| MUB iShares National Muni Bond ETF | USO United States Oil Fund, LP | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | United |
| What it is | National Muni Bond | Oil |
| Total return, 1 year | +0.1% | +112.2% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.4 pts | +94.7 pts |
| Expense ratio | 0.05% | not published |
| Holdings | 6603 | not filed |
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.
USO in plain words
USO is a commodity fund tracking the Oil. Over the year to Sep 11, 2026 it returned +112.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. It sat 57.1% below its high of Apr 8, 2011 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, MUB or USO?
- In the year to Sep 12, 2026, with distributions reinvested, MUB returned +0.1% and USO returned +112.2%, so USO returned more. One year is one year; the longer windows are in the table.
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.
Cite this page. ETFIQ, MUB against USO, data as of Sep 12, 2026. https://etfiq.com/compare/any/MUB-USO Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources