USOvsUNGETF Comparison
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United States Oil Fund (USO) and United States Natural Gas Fund (UNG) belong to the same industry segment: Energy. USO is less expensive with a Total Expense Ratio (TER) of 0.7%, versus 1.24% for UNG. USO is up 140.9% year-to-date (YTD) with -$595M in YTD flows. UNG performs worse with -22.16% YTD performance, and -$50M in YTD flows. Run a side-by-side ETF comparison of USO and UNG below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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USO vs UNG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/26/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | USO UNG | +11.75%-11.10% | +32.33%-6.52% | +140.90%-22.16% | +128.12%-26.27% | +117.14%-67.16% | +184.54%-88.16% |
| Flows | USO UNG | -$213M+$58M | -$780M+$82M | -$595M-$50M | -$574M-$129M | -$1.40B-$295M | -$3.30B+$729M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | USO UNG | +40.63%+36.13% | +51.85%+59.26% | +39.00%+59.01% | +38.84%+65.98% |
| Max drawdown | USO UNG | -11.67%-18.04% | -31.88%-43.74% | -31.88%-68.09% | -35.45%-92.88% |
| Max drawdown duration | USO UNG | 36d32d | 114d267d | 114d1091d | 1365d1526d |
Trading data
USO | UNG | |
Last sale 10/27/2026 at 1:30 PM | $163.88 | $9.64 |
| Previous close 10/26/2026 | $166.23 | $9.56 |
| Consolidated volume 10/26/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 28, 2026
1-year trailing difference
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USO | UNG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
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Main metrics
Last update 10/27/2026 at 1:30 PM
Live
Closed
USO | UNG | |
|---|---|---|
| Last price | $163.88 | $9.64 |
| 1D performance | -1.41% | +0.84% |
| AuM | $1.88 B | $525.57 M |
| E/R | 0.7% | 1.24% |
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Exposure
Countries
USO
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UNG
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Sectors
USO
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UNG
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Diversification
USO
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UNG
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Top 15 holdings
Data as of January 1, 1970
USO
Data will be available soon
UNG
Data will be available soon
Frequently asked questions about USO and UNG
How have the USO and UNG ETFs performed in 2026?
As of October 26, 2026, USO is up 140.9% year-to-date (YTD), while UNG has lost -22.16%. That puts USO better performer ahead so far this year.
Which ETF is attracting more investor money: USO or UNG?
Year-to-date, the USO ETF saw -$595M in flows, compared to -$50M for UNG.
Which ETF is more volatile: USO or UNG?
Over the past year, USO had a volatility of 51.85%, while UNG experienced 59.26%.
Which ETF is bigger: USO or UNG?
As of October 26, 2026, USO holds $1.88 B in assets under management (AUM), while UNG manages $525.57 M.
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Latest news about USO & UNG
Israel – Iran War: Read This Before Investing in an Oil ETF
June 18, 2025
USO
US Natural Gas Prices Dip Amidst Supply Glut
October 14, 2024
UNG
Crude and Natural Gas Markets on the Move
August 12, 2024
USO
UNG
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Crude Oil ETFs Surge Amid Summer Rally Speculations
June 24, 2024
USO
Crude Oil ETFs Surge Amid Summer Rally Speculations
June 24, 2024
USO
Crude Oil ETFs Surge Despite Falling Oil Prices
June 3, 2024
USO
War in the Middle East: ETF Movers & Shakers
May 15, 2024
USO
UNG
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