IEO vs. FENY

Last updated Jun 3, 2026

IEO (iShares U.S. Oil & Gas Exploration & Production ETF) and FENY (Fidelity MSCI Energy Index ETF) are both Energy Equities funds - IEO tracks the Dow Jones U.S. Select Oil Exploration & Production Index while FENY tracks the MSCI USA IMI Energy Index. Both are passively managed. Over the past 10 years, IEO returned 10.24%/yr vs 9.44%/yr for FENY. With a 0.96 correlation, they move nearly in lockstep. IEO charges 0.42%/yr vs 0.08%/yr for FENY.

Performance

IEO vs. FENY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Oil & Gas Exploration & Production ETF (IEO) and Fidelity MSCI Energy Index ETF (FENY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with IEO having a 32.40% return and FENY slightly lower at 30.82%. Over the past 10 years, IEO has outperformed FENY with an annualized return of 10.24%, while FENY has yielded a comparatively lower 9.44% annualized return.

IEO

• 1D: 0.81%
• 1M: -2.99%
• YTD: 32.40%
• 6M: 27.24%
• 1Y: 40.19%
• 3Y*: 15.37%
• 5Y*: 18.79%
• 10Y*: 10.24%

FENY

• 1D: 1.19%
• 1M: -2.13%
• YTD: 30.82%
• 6M: 30.66%
• 1Y: 45.77%
• 3Y*: 17.54%
• 5Y*: 20.36%
• 10Y*: 9.44%

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

IEO vs. FENY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IEO iShares U.S. Oil & Gas Exploration & Production ETF	32.40%	2.15%	-1.45%	3.57%	57.82%	75.57%	-32.77%	9.63%	-19.44%	0.33%
FENY Fidelity MSCI Energy Index ETF	30.82%	7.27%	6.62%	-0.04%	62.94%	55.62%	-33.15%	9.11%	-19.99%	-2.30%

Correlation

The correlation between IEO and FENY is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Oct 25, 2013	0.96

The correlation between IEO and FENY has been stable across timeframes, ranging from 0.94 to 0.97 - a consistent structural relationship.

IEO vs. FENY - Sectors Allocation Comparison

Sectors	IEO	FENY
Energy	99.3%	99.7%
Basic Materials	0.7%	0.2%
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Financial Services	-	-
Healthcare	-	-
Industrials	-	0.1%
Real Estate	-	-
Technology	-	-
Utilities	-	-

Return for Risk

IEO vs. FENY — Risk / Return Rank

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

IEO

IEO Risk / Return Rank: 47
IEO Sharpe Ratio Rank: 46
IEO Sortino Ratio Rank: 41
IEO Omega Ratio Rank: 40
IEO Calmar Ratio Rank: 59
IEO Martin Ratio Rank: 48

FENY

FENY Risk / Return Rank: 66
FENY Sharpe Ratio Rank: 68
FENY Sortino Ratio Rank: 61
FENY Omega Ratio Rank: 59
FENY Calmar Ratio Rank: 78
FENY Martin Ratio Rank: 65

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.

IEO vs. FENY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Oil & Gas Exploration & Production ETF (IEO) and Fidelity MSCI Energy Index ETF (FENY). 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.

	IEO	FENY	Difference
Sharpe ratio Return per unit of total volatility	1.61	2.26	-0.65
Sortino ratio Return per unit of downside risk	2.12	2.89	-0.77
Omega ratio Gain probability vs. loss probability	1.26	1.36	-0.10
Calmar ratio Return relative to maximum drawdown	2.95	4.04	-1.09
Martin ratio Return relative to average drawdown	8.02	11.99	-3.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IEO vs. FENY - Sharpe Ratio Comparison

The current IEO Sharpe Ratio is 1.61, which is comparable to the FENY Sharpe Ratio of 2.26. The chart below compares the historical Sharpe Ratios of IEO and FENY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	IEO	FENY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.61	2.26	-0.65
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	0.77	-0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.29	0.32	-0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.17	0.19	-0.03

Drawdowns

IEO vs. FENY - Drawdown Comparison

The maximum IEO drawdown since its inception was -79.17%, which is greater than FENY's maximum drawdown of -74.35%. Use the drawdown chart below to compare losses from any high point for IEO and FENY.

Drawdown Indicators

	IEO	FENY	Difference
Max Drawdown Largest peak-to-trough decline	-79.17%	-74.35%	-4.82%
Max Drawdown (1Y) Largest decline over 1 year	-14.30%	-11.78%	-2.52%
Max Drawdown (3Y) Largest decline over 3 years	-31.46%	-21.47%	-9.99%
Max Drawdown (5Y) Largest decline over 5 years	-31.46%	-26.64%	-4.82%
Max Drawdown (10Y) Largest decline over 10 years	-75.00%	-69.07%	-5.93%
Current Drawdown Current decline from peak	-8.81%	-7.39%	-1.42%
Average Drawdown Average peak-to-trough decline	-26.28%	-23.13%	-3.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.26%	3.97%	+1.29%

Volatility

IEO vs. FENY - Volatility Comparison

iShares U.S. Oil & Gas Exploration & Production ETF (IEO) has a higher volatility of 9.37% compared to Fidelity MSCI Energy Index ETF (FENY) at 7.94%. This indicates that IEO's price experiences larger fluctuations and is considered to be riskier than FENY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IEO	FENY	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.37%	7.94%	+1.43%
Volatility (6M) Calculated over the trailing 6-month period	19.82%	16.32%	+3.50%
Volatility (1Y) Calculated over the trailing 1-year period	25.14%	20.40%	+4.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.53%	26.46%	+4.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.00%	29.80%	+5.20%

IEO vs. FENY - Expense Ratio Comparison

IEO has a 0.42% expense ratio, which is higher than FENY's 0.08% expense ratio.

Dividends

IEO vs. FENY - Dividend Comparison

IEO's dividend yield for the trailing twelve months is around 2.00%, less than FENY's 2.44% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FENY Fidelity MSCI Energy Index ETF	2.44%	3.18%	3.05%	3.33%	3.33%	3.69%	4.60%	6.43%	3.21%	2.94%	2.29%	3.05%
IEO iShares U.S. Oil & Gas Exploration & Production ETF	2.00%	2.61%	2.63%	3.00%	3.77%	2.62%	3.17%	1.85%	1.67%	0.94%	0.98%	2.03%

Frequently Asked Questions

Can I hold both IEO and FENY in my portfolio?

With a correlation of 0.94, IEO and FENY move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, IEO or FENY?

IEO has higher volatility (9.37%) compared to FENY (7.94%). In terms of maximum drawdown, IEO dropped -79.17% vs FENY's -74.35%.

Which ETF is better, IEO or FENY?

On 10-year performance, IEO leads with 10.24% vs 9.44% for FENY. On fees, FENY is cheaper at 0.08% per year. On volatility, FENY has been the lower-risk option at 7.94%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IEO or FENY?

Over the 10-year period, IEO has performed better with a 10.24% return vs 9.44%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IEO or FENY?

FENY is cheaper with a 0.08% expense ratio, compared with 0.42% for IEO.

Which ETF pays a higher dividend yield, IEO or FENY?

FENY has the higher dividend yield at 2.44%, compared with 2.00% for IEO.

What is the main difference between IEO and FENY?

IEO tracks Dow Jones U.S. Select Oil Exploration & Production Index, while FENY tracks MSCI USA IMI Energy Index. They also come from different issuers: iShares and Fidelity. Their fees differ too: 0.42% for IEO and 0.08% for FENY.

Which has better risk-adjusted returns?

FENY currently has the higher Sharpe Ratio (2.26 vs 1.61), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.