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

In the year to Sep 12, 2026, with distributions reinvested, USO returned +112.2% and VO returned +12.0%, so USO returned more. One year is one year; the longer windows are in the table.

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

ETFIQetfiq.com · independent ETF data

USO vs VO: how they differ

USO is a commodity fund and VO an equity index fund, and over the year USO returned more, +112.2% against +12.0%.

United States Oil Fund, LP and Vanguard Mid-Cap Index Fund.

USO and VO on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	USO United States Oil Fund, LP	VO Vanguard Mid-Cap Index Fund
Where it sits	Core index fund	Core index fund
Issuer	United	Vanguard
What it is	Oil	Mid-Cap
Total return, 1 year	+112.2%	+12.0%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	+94.7 pts	−5.5 pts
Expense ratio	not published	0.03%
Holdings	not filed	282

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.

VO in plain words

VO is an index equity fund tracking the Mid-Cap. Over the year to Sep 11, 2026 it returned +12.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 282 positions, with the top ten at 9.6%. It sat 4.1% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, USO or VO?: In the year to Sep 12, 2026, with distributions reinvested, USO returned +112.2% and VO returned +12.0%, so USO returned more. One year is one year; the longer windows are in the table.

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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.

USO against VO, 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, USO against VO, data as of Sep 12, 2026. https://etfiq.com/compare/any/USO-VO Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources