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OIH vs. IEZ
Performance
Return for Risk
Dividends
Drawdowns
Volatility

OIH vs. IEZ

Last updated Apr 2, 2026

Compare and contrast key facts about VanEck Vectors Oil Services ETF (OIH) and iShares U.S. Oil Equipment & Services ETF (IEZ).

OIH and IEZ are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. OIH is a passively managed fund by VanEck that tracks the performance of the MVIS US Listed Oil Services 25 Index. It was launched on Dec 20, 2011. IEZ is a passively managed fund by iShares that tracks the performance of the Dow Jones U.S. Select Oil Equipment & Services Index. It was launched on May 5, 2006. Both OIH and IEZ are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

OIH vs. IEZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in VanEck Vectors Oil Services ETF (OIH) and iShares U.S. Oil Equipment & Services ETF (IEZ). The values are adjusted to include any dividend payments, if applicable.

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OIH vs. IEZ - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
OIH
VanEck Vectors Oil Services ETF		39.12%6.81%-10.53%3.20%66.17%21.22%-41.19%-3.54%-45.03%-19.66%
IEZ
iShares U.S. Oil Equipment & Services ETF		36.41%7.51%-8.15%4.43%65.73%15.98%-42.98%1.82%-42.47%-18.18%

Returns By Period

In the year-to-date period, OIH achieves a 39.12% return, which is significantly higher than IEZ's 36.41% return. Over the past 10 years, OIH has underperformed IEZ with an annualized return of -1.01%, while IEZ has yielded a comparatively higher -0.25% annualized return.

OIH

1D
-1.99%
1M
0.18%
YTD
39.12%
6M
52.22%
1Y
51.45%
3Y*
14.61%
5Y*
16.68%
10Y*
-1.01%

IEZ

1D
-1.90%
1M
-1.77%
YTD
36.41%
6M
46.27%
1Y
46.18%
3Y*
15.43%
5Y*
16.95%
10Y*
-0.25%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

VanEck Vectors Oil Services ETF

iShares U.S. Oil Equipment & Services ETF

Often compared with OIH:
OIH vs. XLEOIH vs. XOPOIH vs. XESOIH vs. IYEOIH vs. IXCOIH vs. BZ=FOIH vs. DIG
Often compared with IEZ:
IEZ vs. XESIEZ vs. XOPIEZ vs. FCGIEZ vs. IBBQIEZ vs. IEOIEZ vs. EZUIEZ vs. USO

OIH vs. IEZ - Expense Ratio Comparison

OIH has a 0.35% expense ratio, which is lower than IEZ's 0.42% expense ratio.

IEZ
iShares U.S. Oil Equipment & Services ETF
OIH
VanEck Vectors Oil Services ETF

Return for Risk

OIH vs. IEZ — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
OIH
OIH Risk / Return Rank: 6969
Overall Rank
OIH Sharpe Ratio Rank: 7373
Sharpe Ratio Rank
OIH Sortino Ratio Rank: 7171
Sortino Ratio Rank
OIH Omega Ratio Rank: 6969
Omega Ratio Rank
OIH Calmar Ratio Rank: 7575
Calmar Ratio Rank
OIH Martin Ratio Rank: 5656
Martin Ratio Rank
IEZ
IEZ Risk / Return Rank: 6464
Overall Rank
IEZ Sharpe Ratio Rank: 6868
Sharpe Ratio Rank
IEZ Sortino Ratio Rank: 6767
Sortino Ratio Rank
IEZ Omega Ratio Rank: 6565
Omega Ratio Rank
IEZ Calmar Ratio Rank: 6969
Calmar Ratio Rank
IEZ Martin Ratio Rank: 5050
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

OIH vs. IEZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VanEck Vectors Oil Services ETF (OIH) and iShares U.S. Oil Equipment & Services ETF (IEZ). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

OIHIEZDifference

Sharpe ratio

Return per unit of total volatility

1.36

1.25

+0.10

Sortino ratio

Return per unit of downside risk

1.85

1.75

+0.10

Omega ratio

Gain probability vs. loss probability

1.26

1.25

+0.01

Calmar ratio

Return relative to maximum drawdown

2.06

1.89

+0.17

Martin ratio

Return relative to average drawdown

5.70

5.15

+0.55

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OIH vs. IEZ - Sharpe Ratio Comparison

The current OIH Sharpe Ratio is 1.36, which is comparable to the IEZ Sharpe Ratio of 1.25. The chart below compares the historical Sharpe Ratios of OIH and IEZ, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

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Sharpe Ratios by Period

OIHIEZDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.36

1.25

+0.10

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.45

0.46

-0.01

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

-0.02

-0.01

-0.02

Sharpe Ratio (All Time)

Calculated using the full available price history

-0.00

-0.05

+0.04

Correlation

The correlation between OIH and IEZ is 0.99, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

OIH vs. IEZ - Dividend Comparison

OIH's dividend yield for the trailing twelve months is around 1.23%, less than IEZ's 1.28% yield.

TTM20252024202320222021202020192018201720162015
OIH
VanEck Vectors Oil Services ETF		1.23%1.71%2.01%1.36%0.95%0.98%1.23%2.10%2.13%2.60%1.40%2.39%
IEZ
iShares U.S. Oil Equipment & Services ETF		1.28%1.87%1.76%0.97%0.65%1.20%2.07%2.28%1.81%3.42%0.91%2.40%

Drawdowns

OIH vs. IEZ - Drawdown Comparison

The maximum OIH drawdown since its inception was -94.45%, roughly equal to the maximum IEZ drawdown of -92.52%. Use the drawdown chart below to compare losses from any high point for OIH and IEZ.

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Drawdown Indicators

OIHIEZDifference

Max Drawdown

Largest peak-to-trough decline

-94.45%

-92.52%

-1.93%

Max Drawdown (1Y)

Largest decline over 1 year

-26.13%

-25.55%

-0.58%

Max Drawdown (5Y)

Largest decline over 5 years

-43.80%

-40.25%

-3.55%

Max Drawdown (10Y)

Largest decline over 10 years

-89.62%

-88.29%

-1.33%

Current Drawdown

Current decline from peak

-64.72%

-54.98%

-9.74%

Average Drawdown

Average peak-to-trough decline

-48.75%

-48.23%

-0.52%

Ulcer Index

Depth and duration of drawdowns from previous peaks

9.43%

9.38%

+0.05%

Volatility

OIH vs. IEZ - Volatility Comparison

The current volatility for VanEck Vectors Oil Services ETF (OIH) is 8.53%, while iShares U.S. Oil Equipment & Services ETF (IEZ) has a volatility of 9.27%. This indicates that OIH experiences smaller price fluctuations and is considered to be less risky than IEZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

OIHIEZDifference

Volatility (1M)

Calculated over the trailing 1-month period

8.53%

9.27%

-0.74%

Volatility (6M)

Calculated over the trailing 6-month period

21.79%

21.26%

+0.53%

Volatility (1Y)

Calculated over the trailing 1-year period

38.09%

37.00%

+1.09%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

37.48%

37.02%

+0.46%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

42.49%

41.66%

+0.83%