FRNRX vs. MLOZX

Last updated Jun 24, 2026

FRNRX (Franklin Natural Resources Fund) and MLOZX (Cohen & Steers MLP & Energy Opportunity Fund, Inc.) are both Energy Equities funds. Over the past 10 years, FRNRX returned 10.68%/yr vs 10.37%/yr for MLOZX. Their correlation of 0.83 suggests significant overlap in exposure. FRNRX charges 0.96%/yr vs 0.90%/yr for MLOZX.

Performance

FRNRX vs. MLOZX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Franklin Natural Resources Fund (FRNRX) 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, FRNRX achieves a 18.70% return, which is significantly lower than MLOZX's 32.43% return. Both investments have delivered pretty close results over the past 10 years, with FRNRX having a 10.68% annualized return and MLOZX not far behind at 10.37%.

FRNRX

• 1D: 0.60%
• 1M: -4.56%
• YTD: 18.70%
• 6M: 17.79%
• 1Y: 44.28%
• 3Y*: 19.72%
• 5Y*: 23.09%
• 10Y*: 10.68%

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)

FRNRX vs. MLOZX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FRNRX Franklin Natural Resources Fund	18.70%	30.43%	1.28%	3.25%	30.52%	74.38%	-21.58%	10.03%	-23.78%	0.32%
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 FRNRX and MLOZX is 0.74, 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	0.74
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.84
Correlation (All Time) Calculated using the full available price history since Dec 23, 2013	0.83

The correlation between FRNRX and MLOZX shifts across timeframes, from 0.74 (1 year) to 0.86 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

FRNRX vs. MLOZX — Risk / Return Rank

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

FRNRX

FRNRX Risk / Return Rank: 84
FRNRX Sharpe Ratio Rank: 85
FRNRX Sortino Ratio Rank: 73
FRNRX Omega Ratio Rank: 73
FRNRX Calmar Ratio Rank: 97
FRNRX Martin Ratio Rank: 96

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.

FRNRX vs. MLOZX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Franklin Natural Resources Fund (FRNRX) 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.

	FRNRX	MLOZX	Difference
Sharpe ratio: Return per unit of total volatility	2.55	3.40	-0.86
Sortino ratio: Return per unit of downside risk	3.23	4.46	-1.23
Omega ratio: Gain probability vs. loss probability	1.43	1.60	-0.16
Calmar ratio: Return relative to maximum drawdown	6.65	10.56	-3.91
Martin ratio: Return relative to average drawdown	21.07	30.43	-9.36

FRNRX vs. MLOZX - Sharpe Ratio Comparison

The current FRNRX Sharpe Ratio is 2.55, which is comparable to the MLOZX Sharpe Ratio of 3.40. The chart below compares the historical Sharpe Ratios of FRNRX 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

FRNRX vs. MLOZX - Drawdown Comparison

The maximum FRNRX drawdown since its inception was -80.54%, which is greater than MLOZX's maximum drawdown of -72.01%. Use the drawdown chart below to compare losses from any high point for FRNRX and MLOZX.

Drawdown Indicators

	FRNRX	MLOZX	Difference
Max Drawdown Largest peak-to-trough decline	-80.54%	-72.01%	-8.53%
Max Drawdown (1Y) Largest decline over 1 year	-6.53%	-4.71%	-1.82%
Max Drawdown (3Y) Largest decline over 3 years	-19.65%	-20.84%	+1.19%
Max Drawdown (5Y) Largest decline over 5 years	-26.29%	-20.84%	-5.45%
Max Drawdown (10Y) Largest decline over 10 years	-70.71%	-64.94%	-5.77%
Current Drawdown Current decline from peak	-5.82%	-3.19%	-2.63%
Average Drawdown Average peak-to-trough decline	-23.79%	-20.57%	-3.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.06%	1.63%	+0.43%

Volatility

FRNRX vs. MLOZX - Volatility Comparison

Franklin Natural Resources Fund (FRNRX) has a higher volatility of 5.71% compared to Cohen & Steers MLP & Energy Opportunity Fund, Inc. (MLOZX) at 4.22%. This indicates that FRNRX'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

	FRNRX	MLOZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.71%	4.22%	+1.49%
Volatility (6M) Calculated over the trailing 6-month period	13.43%	11.46%	+1.97%
Volatility (1Y) Calculated over the trailing 1-year period	17.09%	14.62%	+2.47%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.55%	18.33%	+7.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.56%	24.09%	+4.47%

FRNRX vs. MLOZX - Expense Ratio Comparison

FRNRX has a 0.96% expense ratio, which is higher than MLOZX's 0.90% expense ratio.

Dividends

FRNRX vs. MLOZX - Dividend Comparison

FRNRX's dividend yield for the trailing twelve months is around 1.43%, less than MLOZX's 1.84% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FRNRX Franklin Natural Resources Fund	1.43%	1.70%	2.40%	1.98%	2.38%	22.66%	2.39%	1.64%	2.43%	1.16%	1.02%	0.86%
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%

Frequently Asked Questions

Can I hold both FRNRX and MLOZX in my portfolio?

FRNRX and MLOZX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FRNRX or MLOZX?

FRNRX has higher volatility (5.71%) compared to MLOZX (4.22%). In terms of maximum drawdown, FRNRX dropped -80.54% vs MLOZX's -72.01%.

Which has better risk-adjusted returns?

MLOZX currently has the higher Sharpe Ratio (3.40 vs 2.55), 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.