OIH vs. IEO

Last updated Apr 2, 2026

Compare and contrast key facts about VanEck Vectors Oil Services ETF (OIH) and iShares U.S. Oil & Gas Exploration & Production ETF (IEO).

OIH and IEO 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. IEO is a passively managed fund by iShares that tracks the performance of the Dow Jones U.S. Select Oil Exploration & Production Index. It was launched on May 5, 2006. Both OIH and IEO 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. IEO - 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 & Gas Exploration & Production ETF (IEO). The values are adjusted to include any dividend payments, if applicable.

OIH vs. IEO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
IEO iShares U.S. Oil & Gas Exploration & Production ETF	35.85%	2.15%	-1.45%	3.57%	57.82%	75.57%	-32.77%	9.63%	-19.44%	0.33%

Returns By Period

In the year-to-date period, OIH achieves a 39.12% return, which is significantly higher than IEO's 35.85% return. Over the past 10 years, OIH has underperformed IEO with an annualized return of -1.01%, while IEO has yielded a comparatively higher 11.67% 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%

IEO

• 1D: -3.37%
• 1M: 7.98%
• YTD: 35.85%
• 6M: 30.59%
• 1Y: 29.93%
• 3Y*: 14.93%
• 5Y*: 22.54%
• 10Y*: 11.67%

*Multi-year figures are annualized to reflect compound growth (CAGR)

OIH vs. IEO - Expense Ratio Comparison

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

IEO

iShares U.S. Oil & Gas Exploration & Production ETF

OIH

VanEck Vectors Oil Services ETF

Return for Risk

OIH vs. IEO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

OIH

OIH Risk / Return Rank: 69
OIH Sharpe Ratio Rank: 73
OIH Sortino Ratio Rank: 71
OIH Omega Ratio Rank: 69
OIH Calmar Ratio Rank: 75
OIH Martin Ratio Rank: 56

IEO

IEO Risk / Return Rank: 49
IEO Sharpe Ratio Rank: 52
IEO Sortino Ratio Rank: 49
IEO Omega Ratio Rank: 50
IEO Calmar Ratio Rank: 52
IEO Martin Ratio Rank: 44

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. IEO - 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 & Gas Exploration & Production ETF (IEO). 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.

	OIH	IEO	Difference
Sharpe ratio Return per unit of total volatility	1.36	0.98	+0.38
Sortino ratio Return per unit of downside risk	1.85	1.39	+0.46
Omega ratio Gain probability vs. loss probability	1.26	1.20	+0.06
Calmar ratio Return relative to maximum drawdown	2.06	1.40	+0.66
Martin ratio Return relative to average drawdown	5.70	4.35	+1.35
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. IEO - Sharpe Ratio Comparison

The current OIH Sharpe Ratio is 1.36, which is higher than the IEO Sharpe Ratio of 0.98. The chart below compares the historical Sharpe Ratios of OIH and IEO, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	OIH	IEO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.36	0.98	+0.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.45	0.74	-0.29
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.02	0.33	-0.36
Sharpe Ratio (All Time) Calculated using the full available price history	-0.00	0.17	-0.17

Correlation

The correlation between OIH and IEO is 0.86, 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. IEO - Dividend Comparison

OIH's dividend yield for the trailing twelve months is around 1.23%, less than IEO's 1.95% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
IEO iShares U.S. Oil & Gas Exploration & Production ETF	1.95%	2.61%	2.63%	3.00%	3.77%	2.62%	3.17%	1.85%	1.67%	0.94%	0.98%	2.03%

Drawdowns

OIH vs. IEO - Drawdown Comparison

The maximum OIH drawdown since its inception was -94.45%, which is greater than IEO's maximum drawdown of -79.17%. Use the drawdown chart below to compare losses from any high point for OIH and IEO.

Drawdown Indicators

	OIH	IEO	Difference
Max Drawdown Largest peak-to-trough decline	-94.45%	-79.17%	-15.28%
Max Drawdown (1Y) Largest decline over 1 year	-26.13%	-21.95%	-4.18%
Max Drawdown (5Y) Largest decline over 5 years	-43.80%	-31.46%	-12.34%
Max Drawdown (10Y) Largest decline over 10 years	-89.62%	-75.00%	-14.62%
Current Drawdown Current decline from peak	-64.72%	-6.43%	-58.29%
Average Drawdown Average peak-to-trough decline	-48.75%	-26.42%	-22.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.43%	7.07%	+2.36%

Volatility

OIH vs. IEO - Volatility Comparison

VanEck Vectors Oil Services ETF (OIH) has a higher volatility of 8.53% compared to iShares U.S. Oil & Gas Exploration & Production ETF (IEO) at 7.35%. This indicates that OIH's price experiences larger fluctuations and is considered to be riskier than IEO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OIH	IEO	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.53%	7.35%	+1.18%
Volatility (6M) Calculated over the trailing 6-month period	21.79%	17.66%	+4.13%
Volatility (1Y) Calculated over the trailing 1-year period	38.09%	30.67%	+7.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	37.48%	30.64%	+6.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.49%	34.94%	+7.55%