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OIHvsIEZETF Comparison
VanEck Oil Services ETF (OIH) and iShares U.S. Oil Equipment & Services ETF (IEZ) belong to the same industry segment: US Energy. Both ETFs have the same top 3 sector exposures: and Energy. OIH is less expensive with a Total Expense Ratio (TER) of 0.35%, versus 0.38% for IEZ. OIH is up 35.32% year-to-date (YTD) with +$610M in YTD flows. IEZ performs worse with 33.22% YTD performance, and +$231M in YTD flows. Run a side-by-side ETF comparison of OIH and IEZ below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
OIH vs IEZ performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | OIH IEZ | +0.91%-0.60% | +26.91%+26.39% | +35.32%+33.22% | +57.56%+52.76% | +43.83%+48.10% | +85.45%+89.66% |
| Flows | OIH IEZ | -$30M+$194M | +$703M+$219M | +$610M+$231M | +$648M+$204M | -$468M+$11M | +$76M+$91M |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | OIH IEZ | +31.44%+30.02% | +37.93%+36.43% | +32.03%+31.38% | +37.76%+37.05% |
| Max drawdown | OIH IEZ | -8.36%-7.37% | -26.32%-25.63% | -43.83%-40.22% | -43.83%-40.22% |
| Max drawdown duration | OIH IEZ | 22d22d | 183d176d | 864d861d | 864d861d |
OIH | IEZ | |
Last sale 3/11/2026 at 1:30 PM | $385.02 | $27.81 |
| Previous close 03/11/2026 | $382.26 | $27.71 |
| Consolidated volume 03/11/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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OIH | IEZ | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
OIH | IEZ | |
|---|---|---|
| Last price | $385.02 | $27.81 |
| 1D performance | +0.72% | +0.36% |
| AuM | $2.44 B | $407.19 M |
| E/R | 0.35% | 0.38% |
OIH | IEZ | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | VanEck | iShares |
| Benchmark | MVIS US Listed Oil Services 25 Index | Dow Jones U.S. Select Oil Equipment & Services Index |
| N° of holdings | 22 | 26 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 20, 2011 | May 1, 2006 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the OIH and IEZ ETFs performed in 2026?
As of March 11, 2026, OIH is up 35.32% year-to-date (YTD), while IEZ has returned 33.22%. That puts OIH better performer ahead so far this year.
Which ETF is attracting more investor money: OIH or IEZ?
Year-to-date, the OIH ETF saw +$610M in flows, compared to +$231M for IEZ.
Which ETF is more volatile: OIH or IEZ?
Over the past year, OIH had a volatility of 37.93%, while IEZ experienced 36.43%.
Which ETF is bigger: OIH or IEZ?
As of March 11, 2026, OIH holds $2.44 B in assets under management (AUM), while IEZ manages $407.19 M.
What sectors do the OIH and IEZ ETFs invest in?
OIH leans toward sectors like Energy. Meanwhile, IEZ focuses on Energy.
What are the top holdings of the OIH ETF and IEZ ETF?
OIH top holdings include SCHLUMBERGER, BAKER HUGHES and HALLIBURTON. IEZ holds in its top three: SCHLUMBERGER, BAKER HUGHES and TECHNIPFMC PLC.
Which ETF is more diversified: OIH or IEZ?
OIH holds 25 securities with 87.5% of its assets in the top 15. IEZ has 31 securities and a top 15 weight of 85.99%.
ETF Comparison: VanEck Oil Services ETF (OIH) Versus VanEck Oil Refiners ETF (CRAK)
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