MMUFX vs. GASFX
Compare and contrast key facts about MFS Utilities Fund (MMUFX) and Hennessy Gas Utility Fund (GASFX).
MMUFX is managed by MFS. It was launched on Feb 13, 1992. GASFX is managed by Hennessy. It was launched on May 9, 1989.
Performance
MMUFX vs. GASFX - Performance Comparison
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MMUFX vs. GASFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MMUFX MFS Utilities Fund | 8.46% | 14.32% | 11.38% | -2.28% | 0.35% | 13.86% | 6.04% | 24.91% | 0.85% | 14.69% |
GASFX Hennessy Gas Utility Fund | 14.24% | 10.42% | 24.98% | 0.27% | 13.68% | 19.60% | -9.34% | 20.80% | -3.47% | 7.04% |
Returns By Period
In the year-to-date period, MMUFX achieves a 8.46% return, which is significantly lower than GASFX's 14.24% return. Over the past 10 years, MMUFX has underperformed GASFX with an annualized return of 9.36%, while GASFX has yielded a comparatively higher 10.14% annualized return.
MMUFX
- 1D
- 1.02%
- 1M
- -3.91%
- YTD
- 8.46%
- 6M
- 9.30%
- 1Y
- 23.11%
- 3Y*
- 10.68%
- 5Y*
- 8.77%
- 10Y*
- 9.36%
GASFX
- 1D
- 0.17%
- 1M
- 0.60%
- YTD
- 14.24%
- 6M
- 11.75%
- 1Y
- 17.55%
- 3Y*
- 16.83%
- 5Y*
- 14.84%
- 10Y*
- 10.14%
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MMUFX vs. GASFX - Expense Ratio Comparison
MMUFX has a 0.99% expense ratio, which is lower than GASFX's 1.00% expense ratio.
Return for Risk
MMUFX vs. GASFX — Risk / Return Rank
MMUFX
GASFX
MMUFX vs. GASFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS Utilities Fund (MMUFX) and Hennessy Gas Utility Fund (GASFX). 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.
| MMUFX | GASFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.55 | 1.36 | +0.19 |
Sortino ratioReturn per unit of downside risk | 2.04 | 1.80 | +0.24 |
Omega ratioGain probability vs. loss probability | 1.29 | 1.25 | +0.03 |
Calmar ratioReturn relative to maximum drawdown | 3.07 | 2.27 | +0.80 |
Martin ratioReturn relative to average drawdown | 8.31 | 8.36 | -0.06 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MMUFX | GASFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.55 | 1.36 | +0.19 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.57 | 0.97 | -0.41 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.57 | 0.58 | -0.01 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.64 | 0.58 | +0.06 |
Correlation
The correlation between MMUFX and GASFX is 0.83, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
MMUFX vs. GASFX - Dividend Comparison
MMUFX's dividend yield for the trailing twelve months is around 3.53%, less than GASFX's 10.02% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MMUFX MFS Utilities Fund | 3.53% | 3.83% | 3.72% | 5.82% | 8.68% | 5.61% | 5.80% | 6.85% | 4.29% | 2.67% | 3.72% | 9.09% |
GASFX Hennessy Gas Utility Fund | 10.02% | 12.06% | 7.36% | 6.63% | 15.49% | 10.63% | 10.93% | 7.11% | 12.31% | 2.96% | 3.52% | 5.64% |
Drawdowns
MMUFX vs. GASFX - Drawdown Comparison
The maximum MMUFX drawdown since its inception was -56.03%, which is greater than GASFX's maximum drawdown of -49.33%. Use the drawdown chart below to compare losses from any high point for MMUFX and GASFX.
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Drawdown Indicators
| MMUFX | GASFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -56.03% | -49.33% | -6.70% |
Max Drawdown (1Y)Largest decline over 1 year | -8.06% | -8.47% | +0.41% |
Max Drawdown (5Y)Largest decline over 5 years | -21.64% | -18.25% | -3.39% |
Max Drawdown (10Y)Largest decline over 10 years | -35.82% | -37.23% | +1.41% |
Current DrawdownCurrent decline from peak | -3.91% | -0.23% | -3.68% |
Average DrawdownAverage peak-to-trough decline | -8.78% | -7.88% | -0.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.98% | 2.30% | +0.68% |
Volatility
MMUFX vs. GASFX - Volatility Comparison
MFS Utilities Fund (MMUFX) has a higher volatility of 5.34% compared to Hennessy Gas Utility Fund (GASFX) at 3.35%. This indicates that MMUFX's price experiences larger fluctuations and is considered to be riskier than GASFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MMUFX | GASFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.34% | 3.35% | +1.99% |
Volatility (6M)Calculated over the trailing 6-month period | 10.11% | 7.85% | +2.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.46% | 13.69% | +1.77% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.58% | 15.32% | +0.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.54% | 17.63% | -1.09% |