MLOZX vs. FSENX

Last updated Jun 4, 2026

MLOZX (Cohen & Steers MLP & Energy Opportunity Fund, Inc.) and FSENX (Fidelity Select Energy Portfolio) are both Energy Equities funds. Over the past 10 years, MLOZX returned 10.55%/yr vs 9.68%/yr for FSENX. Their correlation of 0.82 suggests significant overlap in exposure. MLOZX charges 0.90%/yr vs 0.77%/yr for FSENX.

Performance

MLOZX vs. FSENX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cohen & Steers MLP & Energy Opportunity Fund, Inc. (MLOZX) and Fidelity Select Energy Portfolio (FSENX). 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 MLOZX having a 36.18% return and FSENX slightly lower at 35.02%. Over the past 10 years, MLOZX has outperformed FSENX with an annualized return of 10.55%, while FSENX has yielded a comparatively lower 9.68% annualized return.

MLOZX

• 1D: 1.79%
• 1M: 1.71%
• YTD: 36.18%
• 6M: 33.41%
• 1Y: 58.83%
• 3Y*: 25.68%
• 5Y*: 19.48%
• 10Y*: 10.55%

FSENX

• 1D: 1.38%
• 1M: -2.65%
• YTD: 35.02%
• 6M: 31.99%
• 1Y: 51.42%
• 3Y*: 19.21%
• 5Y*: 22.08%
• 10Y*: 9.68%

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

MLOZX vs. FSENX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MLOZX Cohen & Steers MLP & Energy Opportunity Fund, Inc.	36.18%	17.35%	12.16%	10.49%	21.10%	39.09%	-26.70%	12.62%	-13.43%	0.33%
FSENX Fidelity Select Energy Portfolio	35.02%	10.56%	4.26%	0.94%	62.98%	55.31%	-32.51%	9.90%	-24.94%	-2.65%

Correlation

The correlation between MLOZX and FSENX is 0.76, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.81
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.84
Correlation (All Time) Calculated using the full available price history since Dec 24, 2013	0.82

The correlation between MLOZX and FSENX has been stable across timeframes, ranging from 0.76 to 0.84 - a consistent structural relationship.

Return for Risk

MLOZX vs. FSENX — Risk / Return Rank

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

MLOZX

MLOZX Risk / Return Rank: 97
MLOZX Sharpe Ratio Rank: 99
MLOZX Sortino Ratio Rank: 97
MLOZX Omega Ratio Rank: 94
MLOZX Calmar Ratio Rank: 99
MLOZX Martin Ratio Rank: 99

FSENX

FSENX Risk / Return Rank: 79
FSENX Sharpe Ratio Rank: 85
FSENX Sortino Ratio Rank: 70
FSENX Omega Ratio Rank: 61
FSENX Calmar Ratio Rank: 94
FSENX Martin Ratio Rank: 84

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.

MLOZX vs. FSENX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cohen & Steers MLP & Energy Opportunity Fund, Inc. (MLOZX) and Fidelity Select Energy Portfolio (FSENX). 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.

	MLOZX	FSENX	Difference
Sharpe ratio: Return per unit of total volatility	4.27	2.74	+1.53
Sortino ratio: Return per unit of downside risk	5.60	3.47	+2.13
Omega ratio: Gain probability vs. loss probability	1.73	1.43	+0.29
Calmar ratio: Return relative to maximum drawdown	13.16	5.42	+7.74
Martin ratio: Return relative to average drawdown	40.52	15.96	+24.55
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MLOZX vs. FSENX - Sharpe Ratio Comparison

The current MLOZX Sharpe Ratio is 4.27, which is higher than the FSENX Sharpe Ratio of 2.74. The chart below compares the historical Sharpe Ratios of MLOZX and FSENX, 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

	MLOZX	FSENX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.27	2.74	+1.53
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.07	0.81	+0.25
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.44	0.31	+0.13
Sharpe Ratio (All Time) Calculated using the full available price history	0.29	0.32	-0.03

Drawdowns

MLOZX vs. FSENX - Drawdown Comparison

The maximum MLOZX drawdown since its inception was -72.01%, smaller than the maximum FSENX drawdown of -76.24%. Use the drawdown chart below to compare losses from any high point for MLOZX and FSENX.

Drawdown Indicators

	MLOZX	FSENX	Difference
Max Drawdown Largest peak-to-trough decline	-72.01%	-76.24%	+4.23%
Max Drawdown (1Y) Largest decline over 1 year	-4.71%	-9.95%	+5.24%
Max Drawdown (3Y) Largest decline over 3 years	-20.84%	-25.85%	+5.01%
Max Drawdown (5Y) Largest decline over 5 years	-20.84%	-28.02%	+7.18%
Max Drawdown (10Y) Largest decline over 10 years	-64.94%	-72.11%	+7.17%
Current Drawdown Current decline from peak	-0.08%	-5.09%	+5.01%
Average Drawdown Average peak-to-trough decline	-20.64%	-17.01%	-3.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.52%	3.37%	-1.85%

Volatility

MLOZX vs. FSENX - Volatility Comparison

The current volatility for Cohen & Steers MLP & Energy Opportunity Fund, Inc. (MLOZX) is 5.09%, while Fidelity Select Energy Portfolio (FSENX) has a volatility of 7.60%. This indicates that MLOZX experiences smaller price fluctuations and is considered to be less risky than FSENX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MLOZX	FSENX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.09%	7.60%	-2.51%
Volatility (6M) Calculated over the trailing 6-month period	11.23%	15.35%	-4.12%
Volatility (1Y) Calculated over the trailing 1-year period	14.51%	19.70%	-5.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.36%	27.26%	-8.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.10%	30.96%	-6.86%

MLOZX vs. FSENX - Expense Ratio Comparison

MLOZX has a 0.90% expense ratio, which is higher than FSENX's 0.77% expense ratio.

Dividends

MLOZX vs. FSENX - Dividend Comparison

MLOZX's dividend yield for the trailing twelve months is around 1.79%, more than FSENX's 1.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSENX Fidelity Select Energy Portfolio	1.59%	1.95%	1.95%	1.98%	2.50%	2.25%	3.43%	1.84%	1.48%	1.74%	0.62%	1.29%
MLOZX Cohen & Steers MLP & Energy Opportunity Fund, Inc.	1.79%	1.71%	10.24%	4.61%	3.66%	3.08%	6.57%	6.21%	4.44%	3.86%	3.72%	6.05%

Frequently Asked Questions

Can I hold both MLOZX and FSENX in my portfolio?

MLOZX and FSENX have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MLOZX or FSENX?

FSENX has higher volatility (7.60%) compared to MLOZX (5.09%). In terms of maximum drawdown, MLOZX dropped -72.01% vs FSENX's -76.24%.

Which has better risk-adjusted returns?

MLOZX currently has the higher Sharpe Ratio (4.27 vs 2.74), 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.