UNGvsOILKETF Comparison
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United States Natural Gas Fund (UNG) and ProShares K-1 Free Crude Oil Strategy ETF (OILK) belong to the same industry segment: Energy. UNG is more expensive with a Total Expense Ratio (TER) of 1.24%, versus 0.69% for OILK. UNG is down -22.62% year-to-date (YTD) with -$62M in YTD flows. OILK performs better with 94.57% YTD performance, and +$142M in YTD flows. Run a side-by-side ETF comparison of UNG and OILK 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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UNG vs OILK performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | UNG OILK | -11.63%+10.86% | -7.07%+28.08% | -22.62%+94.57% | -26.71%+85.48% | -67.40%+63.65% | -88.60%+98.84% |
| Flows | UNG OILK | +$46M+$2M | +$70M+$7M | -$62M+$142M | -$141M+$137M | -$303M+$63M | +$717M+$141M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | UNG OILK | +35.86%+24.96% | +59.14%+32.16% | +59.01%+27.77% | +65.97%+31.26% |
| Max drawdown | UNG OILK | -18.52%-7.18% | -44.08%-21.17% | -68.28%-23.71% | -92.92%-36.59% |
| Max drawdown duration | UNG OILK | 33d9d | 268d114d | 1092d608d | 1527d1372d |
Trading data
UNG | OILK | |
Last sale 10/27/2026 at 1:30 PM | $9.64 | $61.10 |
| Previous close 10/27/2026 | $9.56 | $61.41 |
| Consolidated volume 10/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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UNG | OILK | |
|---|---|---|
| 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
UNG | OILK | |
|---|---|---|
| Last price | $9.64 | $61.10 |
| 1D performance | +0.84% | -0.50% |
| AuM | $510.20 M | $252.59 M |
| E/R | 1.24% | 0.69% |
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Exposure
Countries
UNG
Data will be available soon
OILK
Data will be available soon
Sectors
UNG
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OILK
Data will be available soon
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Diversification
UNG
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OILK
Data will be available soon
Top 15 holdings
Data as of January 1, 1970
UNG
Data will be available soon
OILK
Data will be available soon
Frequently asked questions about UNG and OILK
How have the UNG and OILK ETFs performed in 2026?
As of October 27, 2026, UNG is down -22.62% year-to-date (YTD), while OILK has returned 94.57%. That puts OILK better performer ahead so far this year.
Which ETF is attracting more investor money: UNG or OILK?
Year-to-date, the UNG ETF saw -$62M in flows, compared to +$142M for OILK.
Which ETF is more volatile: UNG or OILK?
Over the past year, UNG had a volatility of 59.14%, while OILK experienced 32.16%.
Which ETF is bigger: UNG or OILK?
As of October 27, 2026, UNG holds $510.20 M in assets under management (AUM), while OILK manages $252.59 M.
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Latest news about UNG & OILK
US Natural Gas Prices Dip Amidst Supply Glut
October 14, 2024
UNG
Crude and Natural Gas Markets on the Move
August 12, 2024
UNG
OILK
Natural Gas Futures Plunge Due to Milder Weather and Reduced LNG Exports | ETFs to Watch
July 22, 2024
UNG
War in the Middle East: ETF Movers & Shakers
May 15, 2024
UNG
OILK
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Natural Gas Dead Cat Bounce Amid Oversupply
February 26, 2024
UNG
Natural Gas Dead Cat Bounce Amid Oversupply
February 26, 2024
UNG
US Natural Gas ETFs Take a Hit
February 19, 2024
UNG
Natural Gas Prices Hit Multi-Year Low Amid Warm Winter and Supply Surplus
February 12, 2024
UNG
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