MGBJX vs. MFEIX

Last updated Jun 6, 2026

MGBJX (MFS Global Opportunistic Bond Fund) and MFEIX (MFS Growth I) are both mutual funds - MGBJX is a Global Bonds fund managed by MFS, while MFEIX is a Large Cap Growth Equities fund managed by MFS. Over the past 10 years, MGBJX returned 2.07%/yr vs 17.54%/yr for MFEIX. At a 0.10 correlation, their price movements are largely independent. MGBJX charges 0.68%/yr vs 0.60%/yr for MFEIX.

Performance

MGBJX vs. MFEIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Global Opportunistic Bond Fund (MGBJX) and MFS Growth I (MFEIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MGBJX achieves a 0.40% return, which is significantly lower than MFEIX's 5.50% return. Over the past 10 years, MGBJX has underperformed MFEIX with an annualized return of 2.07%, while MFEIX has yielded a comparatively higher 17.54% annualized return.

MGBJX

• 1D: 0.00%
• 1M: 0.08%
• YTD: 0.40%
• 6M: 0.73%
• 1Y: 4.44%
• 3Y*: 4.65%
• 5Y*: 0.84%
• 10Y*: 2.07%

MFEIX

• 1D: 0.53%
• 1M: 1.97%
• YTD: 5.50%
• 6M: 4.81%
• 1Y: 15.86%
• 3Y*: 26.33%
• 5Y*: 13.90%
• 10Y*: 17.54%

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

MGBJX vs. MFEIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MGBJX MFS Global Opportunistic Bond Fund	0.40%	5.91%	2.45%	8.19%	-11.31%	-2.97%	10.92%	8.56%	-2.04%	7.78%
MFEIX MFS Growth I	5.50%	12.34%	49.67%	36.15%	-31.14%	23.59%	31.65%	37.69%	2.30%	30.86%

Correlation

The correlation between MGBJX and MFEIX is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.25
Correlation (3Y) Calculated over the trailing 3-year period	0.15
Correlation (5Y) Calculated over the trailing 5-year period	0.17
Correlation (10Y) Calculated over the trailing 10-year period	0.10
Correlation (All Time) Calculated using the full available price history since Jun 2, 2010	0.10

The correlation between MGBJX and MFEIX shifts across timeframes, from 0.10 (all time) to 0.25 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

MGBJX vs. MFEIX — Risk / Return Rank

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

MGBJX

MGBJX Risk / Return Rank: 21
MGBJX Sharpe Ratio Rank: 21
MGBJX Sortino Ratio Rank: 25
MGBJX Omega Ratio Rank: 23
MGBJX Calmar Ratio Rank: 17
MGBJX Martin Ratio Rank: 16

MFEIX

MFEIX Risk / Return Rank: 13
MFEIX Sharpe Ratio Rank: 15
MFEIX Sortino Ratio Rank: 14
MFEIX Omega Ratio Rank: 14
MFEIX Calmar Ratio Rank: 11
MFEIX Martin Ratio Rank: 11

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.

MGBJX vs. MFEIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Global Opportunistic Bond Fund (MGBJX) and MFS Growth I (MFEIX). 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.

	MGBJX	MFEIX	Difference
Sharpe ratio: Return per unit of total volatility	1.24	1.01	+0.23
Sortino ratio: Return per unit of downside risk	2.00	1.46	+0.54
Omega ratio: Gain probability vs. loss probability	1.24	1.18	+0.06
Calmar ratio: Return relative to maximum drawdown	1.38	0.93	+0.45
Martin ratio: Return relative to average drawdown	4.22	3.01	+1.20
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MGBJX vs. MFEIX - Sharpe Ratio Comparison

The current MGBJX Sharpe Ratio is 1.24, which is comparable to the MFEIX Sharpe Ratio of 1.01. The chart below compares the historical Sharpe Ratios of MGBJX and MFEIX, 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

	MGBJX	MFEIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.24	1.01	+0.23
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.19	0.64	-0.44
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.83	-0.38
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.44	-0.05

Drawdowns

MGBJX vs. MFEIX - Drawdown Comparison

The maximum MGBJX drawdown since its inception was -17.96%, smaller than the maximum MFEIX drawdown of -72.24%. Use the drawdown chart below to compare losses from any high point for MGBJX and MFEIX.

Drawdown Indicators

	MGBJX	MFEIX	Difference
Max Drawdown Largest peak-to-trough decline	-17.96%	-72.24%	+54.28%
Max Drawdown (1Y) Largest decline over 1 year	-3.13%	-17.30%	+14.17%
Max Drawdown (3Y) Largest decline over 3 years	-5.61%	-23.24%	+17.63%
Max Drawdown (5Y) Largest decline over 5 years	-16.67%	-36.11%	+19.44%
Max Drawdown (10Y) Largest decline over 10 years	-17.96%	-36.11%	+18.15%
Current Drawdown Current decline from peak	-1.32%	-1.08%	-0.24%
Average Drawdown Average peak-to-trough decline	-5.63%	-23.73%	+18.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.02%	5.31%	-4.29%

Volatility

MGBJX vs. MFEIX - Volatility Comparison

The current volatility for MFS Global Opportunistic Bond Fund (MGBJX) is 1.37%, while MFS Growth I (MFEIX) has a volatility of 3.89%. This indicates that MGBJX experiences smaller price fluctuations and is considered to be less risky than MFEIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MGBJX	MFEIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.37%	3.89%	-2.52%
Volatility (6M) Calculated over the trailing 6-month period	2.84%	12.30%	-9.46%
Volatility (1Y) Calculated over the trailing 1-year period	3.49%	15.88%	-12.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.35%	21.90%	-17.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.66%	21.24%	-16.58%

MGBJX vs. MFEIX - Expense Ratio Comparison

MGBJX has a 0.68% expense ratio, which is higher than MFEIX's 0.60% expense ratio.

Dividends

MGBJX vs. MFEIX - Dividend Comparison

MGBJX's dividend yield for the trailing twelve months is around 4.76%, less than MFEIX's 14.21% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MFEIX MFS Growth I	14.21%	14.99%	25.47%	4.86%	1.05%	2.76%	3.57%	1.57%	3.78%	2.50%	1.61%	3.65%
MGBJX MFS Global Opportunistic Bond Fund	4.76%	4.50%	3.03%	1.99%	3.42%	5.25%	3.61%	2.29%	2.19%	1.59%	1.68%	2.18%

Frequently Asked Questions

Can I hold both MGBJX and MFEIX in my portfolio?

MGBJX and MFEIX have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MGBJX or MFEIX?

MFEIX has higher volatility (3.89%) compared to MGBJX (1.37%). In terms of maximum drawdown, MGBJX dropped -17.96% vs MFEIX's -72.24%.

Which has better risk-adjusted returns?

MGBJX currently has the higher Sharpe Ratio (1.24 vs 1.01), 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.