FEDUX vs. MBDFX

Last updated Aug 1, 2026

FEDUX (Fidelity Education Income Fund) and MBDFX (AMG GW&K Core Bond ESG Fund) are both Intermediate Core Bond funds. Over the past 5 years, FEDUX returned -0.51%/yr vs -1.04%/yr for MBDFX. Their correlation of 0.84 means they have usually moved in the same direction. FEDUX charges 0.00%/yr vs 0.56%/yr for MBDFX.

Performance

FEDUX vs. MBDFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Education Income Fund (FEDUX) and AMG GW&K Core Bond ESG Fund (MBDFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FEDUX achieves a 0.15% return, which is significantly higher than MBDFX's -1.16% return.

FEDUX

• 1D: 0.00%
• 1M: -0.44%
• 6M: -0.11%
• YTD: 0.15%
• 1Y: 2.23%
• 3Y*: 2.77%
• 5Y*: -0.51%
• 10Y*: —
• ALL TIME*: -0.46%

MBDFX

• 1D: 0.11%
• 1M: -1.00%
• 6M: -1.47%
• YTD: -1.16%
• 1Y: 1.27%
• 3Y*: 3.52%
• 5Y*: -1.04%
• 10Y*: 0.99%
• ALL TIME*: 2.20%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FEDUX Fidelity Education Income Fund	$0.00	$0.00	$0.00
MBDFX AMG GW&K Core Bond ESG Fund	$0.00	$0.00	$0.00

FEDUX vs. MBDFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
FEDUX Fidelity Education Income Fund	0.15%	6.40%	-0.29%	1.62%	-8.38%	-1.27%
MBDFX AMG GW&K Core Bond ESG Fund	-1.16%	7.29%	1.24%	5.73%	-13.85%	-1.06%

Correlation

The correlation between FEDUX and MBDFX is 0.73, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.73
Correlation (3Y) Balances recent behavior with more history.	0.82
Correlation (5Y) Shows whether the relationship held over a longer period.	0.85
Correlation (All Time) Calculated using the full available price history since May 25, 2021	0.84

The correlation between FEDUX and MBDFX shifts across timeframes, from 0.73 (1 year) to 0.85 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

FEDUX vs. MBDFX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

FEDUX

FEDUX Risk / Return Rank: 48
FEDUX Sharpe Ratio Rank: 47
FEDUX Sortino Ratio Rank: 57
FEDUX Omega Ratio Rank: 52
FEDUX Calmar Ratio Rank: 49
FEDUX Martin Ratio Rank: 35

MBDFX

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

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

FEDUX vs. MBDFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Education Income Fund (FEDUX) and AMG GW&K Core Bond ESG Fund (MBDFX). 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.

	FEDUX	MBDFX	Difference
Sharpe ratio: Return per unit of total volatility	1.31	0.54	+0.77
Sortino ratio: Return per unit of downside risk	2.09	0.79	+1.30
Omega ratio: Gain probability vs. loss probability	1.25	1.09	+0.16
Calmar ratio: Return relative to maximum drawdown	1.85	0.64	+1.22
Martin ratio: Return relative to average drawdown	5.10	1.45	+3.65

FEDUX vs. MBDFX - Sharpe Ratio Comparison

The current FEDUX Sharpe Ratio is 1.31, which is higher than the MBDFX Sharpe Ratio of 0.54. The chart below compares the historical Sharpe Ratios of FEDUX and MBDFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

FEDUX vs. MBDFX - Drawdown Comparison

The maximum FEDUX drawdown since its inception was -12.00%, smaller than the maximum MBDFX drawdown of -20.66%. Use the drawdown chart below to compare losses from any high point for FEDUX and MBDFX.

Drawdown Indicators

	FEDUX	MBDFX	Difference
Max Drawdown Largest peak-to-trough decline	-12.00%	-20.66%	+8.66%
Max Drawdown (1Y) Largest decline over 1 year	-1.72%	-3.25%	+1.53%
Max Drawdown (3Y) Largest decline over 3 years	-2.80%	-5.74%	+2.94%
Max Drawdown (5Y) Largest decline over 5 years	-12.00%	-20.47%	+8.47%
Max Drawdown (10Y) Largest decline over 10 years	—	-20.66%	—
Current Drawdown Current decline from peak	-2.63%	-5.57%	+2.94%
Average Drawdown Average peak-to-trough decline	-6.34%	-3.97%	-2.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.62%	1.42%	-0.80%

Volatility

FEDUX vs. MBDFX - Volatility Comparison

The current volatility for Fidelity Education Income Fund (FEDUX) is 0.57%, while AMG GW&K Core Bond ESG Fund (MBDFX) has a volatility of 1.11%. This indicates that FEDUX experiences smaller price fluctuations and is considered to be less risky than MBDFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FEDUX	MBDFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.57%	1.11%	-0.54%
Volatility (6M) Calculated over the trailing 6-month period	1.87%	3.01%	-1.14%
Volatility (1Y) Calculated over the trailing 1-year period	2.45%	3.85%	-1.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.15%	6.17%	-3.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.10%	5.06%	-1.96%

FEDUX vs. MBDFX - Expense Ratio Comparison

FEDUX has a 0.00% expense ratio, which is lower than MBDFX's 0.56% expense ratio.

Dividends

FEDUX vs. MBDFX - Dividend Comparison

FEDUX's dividend yield for the trailing twelve months is around 4.01%, more than MBDFX's 3.24% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FEDUX Fidelity Education Income Fund	4.01%	4.43%	0.36%	0.71%	0.00%	0.13%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MBDFX AMG GW&K Core Bond ESG Fund	3.24%	3.66%	3.50%	2.92%	2.16%	2.35%	1.84%	2.40%	2.30%	2.10%	2.06%	4.17%

Frequently Asked Questions

Can I hold both FEDUX and MBDFX in my portfolio?

FEDUX and MBDFX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FEDUX or MBDFX?

MBDFX has higher volatility (1.11%) compared to FEDUX (0.57%). In terms of maximum drawdown, FEDUX dropped -12.00% vs MBDFX's -20.66%.

Which has better risk-adjusted returns?

FEDUX currently has the higher Sharpe Ratio (1.31 vs 0.54), 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.