OEPIX vs. MLOZX

Last updated Jun 24, 2026

OEPIX (Oil Equipment & Services UltraSector ProFund) and MLOZX (Cohen & Steers MLP & Energy Opportunity Fund, Inc.) are both Energy Equities funds. Over the past 10 years, OEPIX returned -9.97%/yr vs 10.37%/yr for MLOZX. A 0.77 correlation means they provide meaningful diversification when combined. OEPIX charges 1.65%/yr vs 0.90%/yr for MLOZX.

Performance

OEPIX vs. MLOZX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oil Equipment & Services UltraSector ProFund (OEPIX) and Cohen & Steers MLP & Energy Opportunity Fund, Inc. (MLOZX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OEPIX achieves a 61.97% return, which is significantly higher than MLOZX's 32.43% return. Over the past 10 years, OEPIX has underperformed MLOZX with an annualized return of -9.97%, while MLOZX has yielded a comparatively higher 10.37% annualized return.

OEPIX

• 1D: 1.93%
• 1M: -16.87%
• YTD: 61.97%
• 6M: 62.75%
• 1Y: 127.51%
• 3Y*: 18.06%
• 5Y*: 11.59%
• 10Y*: -9.97%

MLOZX

• 1D: 0.00%
• 1M: -2.53%
• YTD: 32.43%
• 6M: 32.43%
• 1Y: 50.54%
• 3Y*: 23.88%
• 5Y*: 18.96%
• 10Y*: 10.37%

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

OEPIX vs. MLOZX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OEPIX Oil Equipment & Services UltraSector ProFund	61.97%	-1.85%	-15.41%	-3.76%	88.50%	14.90%	-67.53%	-4.45%	-58.58%	-22.70%
MLOZX Cohen & Steers MLP & Energy Opportunity Fund, Inc.	32.43%	17.35%	12.16%	10.49%	21.10%	39.09%	-26.70%	12.62%	-13.43%	0.33%

Correlation

The correlation between OEPIX and MLOZX is 0.69, 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	0.69
Correlation (3Y) Calculated over the trailing 3-year period	0.73
Correlation (5Y) Calculated over the trailing 5-year period	0.77
Correlation (10Y) Calculated over the trailing 10-year period	0.77
Correlation (All Time) Calculated using the full available price history since Dec 23, 2013	0.77

The correlation between OEPIX and MLOZX has been stable across timeframes, ranging from 0.69 to 0.77 - a consistent structural relationship.

Return for Risk

OEPIX vs. MLOZX — Risk / Return Rank

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

OEPIX

OEPIX Risk / Return Rank: 74
OEPIX Sharpe Ratio Rank: 80
OEPIX Sortino Ratio Rank: 54
OEPIX Omega Ratio Rank: 49
OEPIX Calmar Ratio Rank: 94
OEPIX Martin Ratio Rank: 92

MLOZX

MLOZX Risk / Return Rank: 95
MLOZX Sharpe Ratio Rank: 97
MLOZX Sortino Ratio Rank: 94
MLOZX Omega Ratio Rank: 89
MLOZX Calmar Ratio Rank: 99
MLOZX Martin Ratio Rank: 98

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.

OEPIX vs. MLOZX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oil Equipment & Services UltraSector ProFund (OEPIX) and Cohen & Steers MLP & Energy Opportunity Fund, Inc. (MLOZX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	OEPIX	MLOZX	Difference
Sharpe ratio: Return per unit of total volatility	2.41	3.40	-0.99
Sortino ratio: Return per unit of downside risk	2.86	4.46	-1.61
Omega ratio: Gain probability vs. loss probability	1.35	1.60	-0.25
Calmar ratio: Return relative to maximum drawdown	5.08	10.56	-5.49
Martin ratio: Return relative to average drawdown	17.87	30.43	-12.56

OEPIX vs. MLOZX - Sharpe Ratio Comparison

The current OEPIX Sharpe Ratio is 2.41, which is comparable to the MLOZX Sharpe Ratio of 3.40. The chart below compares the historical Sharpe Ratios of OEPIX and MLOZX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

OEPIX vs. MLOZX - Drawdown Comparison

The maximum OEPIX drawdown since its inception was -98.94%, which is greater than MLOZX's maximum drawdown of -72.01%. Use the drawdown chart below to compare losses from any high point for OEPIX and MLOZX.

Drawdown Indicators

	OEPIX	MLOZX	Difference
Max Drawdown Largest peak-to-trough decline	-98.94%	-72.01%	-26.93%
Max Drawdown (1Y) Largest decline over 1 year	-22.19%	-4.71%	-17.48%
Max Drawdown (3Y) Largest decline over 3 years	-65.50%	-20.84%	-44.66%
Max Drawdown (5Y) Largest decline over 5 years	-65.50%	-20.84%	-44.66%
Max Drawdown (10Y) Largest decline over 10 years	-96.69%	-64.94%	-31.75%
Current Drawdown Current decline from peak	-91.60%	-3.19%	-88.41%
Average Drawdown Average peak-to-trough decline	-70.98%	-20.57%	-50.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.41%	1.63%	+4.78%

Volatility

OEPIX vs. MLOZX - Volatility Comparison

Oil Equipment & Services UltraSector ProFund (OEPIX) has a higher volatility of 15.46% compared to Cohen & Steers MLP & Energy Opportunity Fund, Inc. (MLOZX) at 4.22%. This indicates that OEPIX's price experiences larger fluctuations and is considered to be riskier than MLOZX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OEPIX	MLOZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.46%	4.22%	+11.24%
Volatility (6M) Calculated over the trailing 6-month period	30.99%	11.46%	+19.53%
Volatility (1Y) Calculated over the trailing 1-year period	46.75%	14.62%	+32.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	56.72%	18.33%	+38.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	62.32%	24.09%	+38.23%

OEPIX vs. MLOZX - Expense Ratio Comparison

OEPIX has a 1.65% expense ratio, which is higher than MLOZX's 0.90% expense ratio.

Dividends

OEPIX vs. MLOZX - Dividend Comparison

OEPIX's dividend yield for the trailing twelve months is around 0.54%, less than MLOZX's 1.84% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MLOZX Cohen & Steers MLP & Energy Opportunity Fund, Inc.	1.84%	1.71%	10.24%	4.61%	3.66%	3.08%	6.57%	6.21%	4.44%	3.86%	3.72%	6.05%
OEPIX Oil Equipment & Services UltraSector ProFund	0.54%	0.87%	0.00%	0.00%	0.00%	0.00%	0.16%	0.00%	2.56%	2.36%	0.05%	0.00%

Frequently Asked Questions

Can I hold both OEPIX and MLOZX in my portfolio?

OEPIX and MLOZX have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OEPIX or MLOZX?

OEPIX has higher volatility (15.46%) compared to MLOZX (4.22%). In terms of maximum drawdown, OEPIX dropped -98.94% vs MLOZX's -72.01%.

Which has better risk-adjusted returns?

MLOZX currently has the higher Sharpe Ratio (3.40 vs 2.41), 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.