MFEGX vs. ^GSPC

Last updated Apr 2, 2026

Compare and contrast key facts about MFS Growth Fund Class A (MFEGX) and S&P 500 Index (^GSPC).

MFEGX is a passively managed fund by MFS that tracks the performance of the Russell 1000® Growth Index. It was launched on Dec 29, 1986.

Performance

MFEGX vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Growth Fund Class A (MFEGX) and S&P 500 Index (^GSPC). The values are adjusted to include any dividend payments, if applicable.

MFEGX vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MFEGX MFS Growth Fund Class A	-10.37%	12.06%	51.46%	35.81%	-31.31%	23.28%	36.29%	37.35%	2.04%	30.52%
^GSPC S&P 500 Index	-3.95%	16.39%	23.31%	24.23%	-19.44%	26.89%	16.26%	28.88%	-6.24%	19.42%

Returns By Period

In the year-to-date period, MFEGX achieves a -10.37% return, which is significantly lower than ^GSPC's -3.95% return. Over the past 10 years, MFEGX has outperformed ^GSPC with an annualized return of 16.19%, while ^GSPC has yielded a comparatively lower 12.24% annualized return.

MFEGX

• 1D: 3.82%
• 1M: -5.76%
• YTD: -10.37%
• 6M: -11.07%
• 1Y: 9.34%
• 3Y*: 23.14%
• 5Y*: 11.31%
• 10Y*: 16.19%

^GSPC

• 1D: 0.72%
• 1M: -4.45%
• YTD: -3.95%
• 6M: -2.02%
• 1Y: 16.73%
• 3Y*: 16.96%
• 5Y*: 10.34%
• 10Y*: 12.24%

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

Return for Risk

MFEGX vs. ^GSPC — Risk / Return Rank

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

MFEGX

MFEGX Risk / Return Rank: 16
MFEGX Sharpe Ratio Rank: 15
MFEGX Sortino Ratio Rank: 16
MFEGX Omega Ratio Rank: 16
MFEGX Calmar Ratio Rank: 16
MFEGX Martin Ratio Rank: 16

^GSPC

^GSPC Risk / Return Rank: 67
^GSPC Sharpe Ratio Rank: 63
^GSPC Sortino Ratio Rank: 64
^GSPC Omega Ratio Rank: 69
^GSPC Calmar Ratio Rank: 60
^GSPC Martin Ratio Rank: 77

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.

MFEGX vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Growth Fund Class A (MFEGX) and S&P 500 Index (^GSPC). 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.

	MFEGX	^GSPC	Difference
Sharpe ratio Return per unit of total volatility	0.47	0.92	-0.44
Sortino ratio Return per unit of downside risk	0.83	1.41	-0.58
Omega ratio Gain probability vs. loss probability	1.11	1.21	-0.10
Calmar ratio Return relative to maximum drawdown	0.59	1.41	-0.82
Martin ratio Return relative to average drawdown	2.00	6.61	-4.62
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MFEGX vs. ^GSPC - Sharpe Ratio Comparison

The current MFEGX Sharpe Ratio is 0.47, which is lower than the ^GSPC Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of MFEGX and ^GSPC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MFEGX	^GSPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.47	0.92	-0.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.61	-0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	0.68	+0.08
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.46	+0.01

Correlation

The correlation between MFEGX and ^GSPC is 0.88, 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.

Drawdowns

MFEGX vs. ^GSPC - Drawdown Comparison

The maximum MFEGX drawdown since its inception was -72.42%, which is greater than ^GSPC's maximum drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for MFEGX and ^GSPC.

Drawdown Indicators

	MFEGX	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-72.42%	-56.78%	-15.64%
Max Drawdown (1Y) Largest decline over 1 year	-17.39%	-12.14%	-5.25%
Max Drawdown (5Y) Largest decline over 5 years	-36.27%	-25.43%	-10.84%
Max Drawdown (10Y) Largest decline over 10 years	-36.27%	-33.92%	-2.35%
Current Drawdown Current decline from peak	-14.23%	-5.78%	-8.45%
Average Drawdown Average peak-to-trough decline	-22.32%	-10.75%	-11.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.17%	2.60%	+2.57%

Volatility

MFEGX vs. ^GSPC - Volatility Comparison

MFS Growth Fund Class A (MFEGX) has a higher volatility of 6.97% compared to S&P 500 Index (^GSPC) at 5.37%. This indicates that MFEGX's price experiences larger fluctuations and is considered to be riskier than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MFEGX	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.97%	5.37%	+1.60%
Volatility (6M) Calculated over the trailing 6-month period	12.64%	9.55%	+3.09%
Volatility (1Y) Calculated over the trailing 1-year period	21.85%	18.33%	+3.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.14%	16.90%	+5.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.30%	18.05%	+3.25%