NALFX vs. MFWIX
NALFX (New Alternatives Fund) and MFWIX (MFS Global Total Return Fund Class I) are both Global Equities funds. Over the past 10 years, NALFX returned 10.91%/yr vs 6.49%/yr for MFWIX. A 0.67 correlation means they provide meaningful diversification when combined. NALFX charges 0.89%/yr vs 0.84%/yr for MFWIX.
Performance
NALFX vs. MFWIX - Performance Comparison
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Returns By Period
In the year-to-date period, NALFX achieves a 17.77% return, which is significantly higher than MFWIX's 4.69% return. Over the past 10 years, NALFX has outperformed MFWIX with an annualized return of 10.91%, while MFWIX has yielded a comparatively lower 6.49% annualized return.
NALFX
- 1D
- 1.54%
- 1M
- 0.27%
- YTD
- 17.77%
- 6M
- 17.61%
- 1Y
- 30.18%
- 3Y*
- 9.77%
- 5Y*
- 3.13%
- 10Y*
- 10.91%
MFWIX
- 1D
- -0.34%
- 1M
- 0.06%
- YTD
- 4.69%
- 6M
- 4.82%
- 1Y
- 13.43%
- 3Y*
- 10.06%
- 5Y*
- 5.27%
- 10Y*
- 6.49%
NALFX vs. MFWIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NALFX New Alternatives Fund | 17.77% | 28.13% | -6.03% | -2.49% | -15.87% | -4.78% | 61.74% | 36.98% | -6.91% | 21.24% |
MFWIX MFS Global Total Return Fund Class I | 4.69% | 15.70% | 4.25% | 10.52% | -10.62% | 8.59% | 9.63% | 18.49% | -6.96% | 15.00% |
Correlation
The correlation between NALFX and MFWIX is 0.65, 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 | 0.65 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.73 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.74 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.71 |
Correlation (All Time) Calculated using the full available price history since Dec 31, 1996 | 0.67 |
The correlation between NALFX and MFWIX has been stable across timeframes, ranging from 0.65 to 0.74 - a consistent structural relationship.
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Return for Risk
NALFX vs. MFWIX — Risk / Return Rank
NALFX
MFWIX
NALFX vs. MFWIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for New Alternatives Fund (NALFX) and MFS Global Total Return Fund Class I (MFWIX). 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.
| NALFX | MFWIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.21 | ||
| Sortino ratioReturn per unit of downside risk | +0.11 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.33 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 3.97 | 1.99 | +1.99 |
| Martin ratioReturn relative to average drawdown | 11.61 | 7.00 | +4.61 |
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Drawdowns
NALFX vs. MFWIX - Drawdown Comparison
The maximum NALFX drawdown since its inception was -59.67%, which is greater than MFWIX's maximum drawdown of -33.01%. Use the drawdown chart below to compare losses from any high point for NALFX and MFWIX.
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Drawdown Indicators
| NALFX | MFWIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.67% | -33.01% | -26.66% |
Max Drawdown (1Y)Largest decline over 1 year | -7.53% | -6.73% | -0.80% |
Max Drawdown (3Y)Largest decline over 3 years | -24.35% | -8.63% | -15.72% |
Max Drawdown (5Y)Largest decline over 5 years | -38.03% | -20.22% | -17.81% |
Max Drawdown (10Y)Largest decline over 10 years | -42.35% | -23.36% | -18.99% |
Current DrawdownCurrent decline from peak | -1.23% | -1.65% | +0.42% |
Average DrawdownAverage peak-to-trough decline | -14.82% | -3.81% | -11.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.57% | 1.90% | +0.67% |
Volatility
NALFX vs. MFWIX - Volatility Comparison
New Alternatives Fund (NALFX) has a higher volatility of 4.92% compared to MFS Global Total Return Fund Class I (MFWIX) at 2.29%. This indicates that NALFX's price experiences larger fluctuations and is considered to be riskier than MFWIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NALFX | MFWIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.92% | 2.29% | +2.63% |
Volatility (6M)Calculated over the trailing 6-month period | 12.47% | 5.89% | +6.58% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.11% | 7.55% | +7.56% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.87% | 9.16% | +8.71% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.04% | 9.64% | +8.40% |
NALFX vs. MFWIX - Expense Ratio Comparison
NALFX has a 0.89% expense ratio, which is higher than MFWIX's 0.84% expense ratio.
Dividends
NALFX vs. MFWIX - Dividend Comparison
NALFX's dividend yield for the trailing twelve months is around 0.99%, less than MFWIX's 8.37% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MFWIX MFS Global Total Return Fund Class I | 8.37% | 8.77% | 9.36% | 3.98% | 2.94% | 10.71% | 7.53% | 4.70% | 3.64% | 2.36% | 1.40% | 4.59% |
NALFX New Alternatives Fund | 0.99% | 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
NALFX and MFWIX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NALFX has higher volatility (4.92%) compared to MFWIX (2.29%). In terms of maximum drawdown, NALFX dropped -59.67% vs MFWIX's -33.01%.
NALFX currently has the higher Sharpe Ratio (1.98 vs 1.77), 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.
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