NALFX vs. NAEFX

Last updated Jun 4, 2026

NALFX (New Alternatives Fund) and NAEFX (New Alternatives Fund Investor Class) are both mutual funds - NALFX is a Global Equities fund managed by New Alternatives, while NAEFX is a Alternative Energy Equities fund actively managed by New Alternatives. Over the past 10 years, NALFX returned 10.92%/yr vs 10.65%/yr for NAEFX. With a 1.00 correlation, they move nearly in lockstep. NALFX charges 0.89%/yr vs 1.28%/yr for NAEFX.

Performance

NALFX vs. NAEFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in New Alternatives Fund (NALFX) and New Alternatives Fund Investor Class (NAEFX). 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 NALFX having a 19.18% return and NAEFX slightly lower at 19.07%. Both investments have delivered pretty close results over the past 10 years, with NALFX having a 10.92% annualized return and NAEFX not far behind at 10.65%.

NALFX

• 1D: 1.25%
• 1M: 3.67%
• YTD: 19.18%
• 6M: 20.44%
• 1Y: 32.39%
• 3Y*: 10.98%
• 5Y*: 3.35%
• 10Y*: 10.92%

NAEFX

• 1D: 1.26%
• 1M: 3.65%
• YTD: 19.07%
• 6M: 20.31%
• 1Y: 32.09%
• 3Y*: 10.71%
• 5Y*: 3.10%
• 10Y*: 10.65%

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

NALFX vs. NAEFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NALFX New Alternatives Fund	19.18%	28.13%	-6.03%	-2.49%	-15.87%	-4.78%	61.74%	36.98%	-6.91%	21.24%
NAEFX New Alternatives Fund Investor Class	19.07%	27.81%	-6.26%	-2.74%	-16.08%	-5.02%	61.33%	36.68%	-7.13%	20.92%

Correlation

The correlation between NALFX and NAEFX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (10Y) Calculated over the trailing 10-year period	1.00
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016	1.00

The correlation between NALFX and NAEFX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.

Return for Risk

NALFX vs. NAEFX — Risk / Return Rank

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

NALFX

NALFX Risk / Return Rank: 64
NALFX Sharpe Ratio Rank: 60
NALFX Sortino Ratio Rank: 52
NALFX Omega Ratio Rank: 50
NALFX Calmar Ratio Rank: 89
NALFX Martin Ratio Rank: 69

NAEFX

NAEFX Risk / Return Rank: 63
NAEFX Sharpe Ratio Rank: 58
NAEFX Sortino Ratio Rank: 50
NAEFX Omega Ratio Rank: 50
NAEFX Calmar Ratio Rank: 88
NAEFX Martin Ratio Rank: 68

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.

NALFX vs. NAEFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for New Alternatives Fund (NALFX) and New Alternatives Fund Investor Class (NAEFX). 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.

	NALFX	NAEFX	Difference
Sharpe ratio: Return per unit of total volatility	2.28	2.26	+0.02
Sortino ratio: Return per unit of downside risk	3.04	3.01	+0.02
Omega ratio: Gain probability vs. loss probability	1.39	1.39	0.00
Calmar ratio: Return relative to maximum drawdown	4.47	4.42	+0.05
Martin ratio: Return relative to average drawdown	13.35	13.16	+0.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NALFX vs. NAEFX - Sharpe Ratio Comparison

The current NALFX Sharpe Ratio is 2.28, which is comparable to the NAEFX Sharpe Ratio of 2.26. The chart below compares the historical Sharpe Ratios of NALFX and NAEFX, 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

	NALFX	NAEFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.28	2.26	+0.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.19	0.17	+0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	0.59	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.43	0.62	-0.19

Drawdowns

NALFX vs. NAEFX - Drawdown Comparison

The maximum NALFX drawdown since its inception was -59.67%, which is greater than NAEFX's maximum drawdown of -42.74%. Use the drawdown chart below to compare losses from any high point for NALFX and NAEFX.

Drawdown Indicators

	NALFX	NAEFX	Difference
Max Drawdown Largest peak-to-trough decline	-59.67%	-42.74%	-16.93%
Max Drawdown (1Y) Largest decline over 1 year	-7.53%	-7.54%	+0.01%
Max Drawdown (3Y) Largest decline over 3 years	-24.52%	-24.57%	+0.05%
Max Drawdown (5Y) Largest decline over 5 years	-38.03%	-38.35%	+0.32%
Max Drawdown (10Y) Largest decline over 10 years	-42.35%	-42.74%	+0.39%
Current Drawdown Current decline from peak	-0.05%	-0.07%	+0.02%
Average Drawdown Average peak-to-trough decline	-14.84%	-13.44%	-1.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.52%	2.53%	-0.01%

Volatility

NALFX vs. NAEFX - Volatility Comparison

New Alternatives Fund (NALFX) and New Alternatives Fund Investor Class (NAEFX) have volatilities of 5.44% and 5.44%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NALFX	NAEFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.44%	5.44%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	11.93%	11.92%	+0.01%
Volatility (1Y) Calculated over the trailing 1-year period	14.79%	14.78%	+0.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.82%	17.83%	-0.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.03%	18.04%	-0.01%

NALFX vs. NAEFX - Expense Ratio Comparison

NALFX has a 0.89% expense ratio, which is lower than NAEFX's 1.28% expense ratio.

Dividends

NALFX vs. NAEFX - Dividend Comparison

NALFX's dividend yield for the trailing twelve months is around 0.98%, more than NAEFX's 0.78% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NAEFX New Alternatives Fund Investor Class	0.78%	0.93%	1.75%	4.14%	4.37%	4.90%	4.88%	5.35%	6.39%	3.98%	3.48%	0.00%
NALFX New Alternatives Fund	0.98%	1.17%	2.04%	4.47%	4.63%	5.14%	4.93%	5.55%	6.62%	4.16%	3.71%	1.71%

Frequently Asked Questions

Can I hold both NALFX and NAEFX in my portfolio?

With a correlation of 1.00, NALFX and NAEFX 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, NALFX or NAEFX?

NAEFX has higher volatility (5.44%) compared to NALFX (5.44%). In terms of maximum drawdown, NALFX dropped -59.67% vs NAEFX's -42.74%.

Which has better risk-adjusted returns?

NALFX currently has the higher Sharpe Ratio (2.28 vs 2.26), 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.