NEFZX vs. MGC

Last updated Jun 23, 2026

NEFZX (Loomis Sayles Strategic Income Fund) and MGC (Vanguard Mega Cap ETF) are both funds - NEFZX is a Multisector Bonds fund managed by Natixis, while MGC is a Large Cap Blend Equities fund tracking the CRSP US Mega Cap Index. Over the past 10 years, NEFZX returned 3.15%/yr vs 16.51%/yr for MGC. A 0.57 correlation means they provide meaningful diversification when combined. NEFZX charges 0.95%/yr vs 0.05%/yr for MGC.

Performance

NEFZX vs. MGC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Loomis Sayles Strategic Income Fund (NEFZX) and Vanguard Mega Cap ETF (MGC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NEFZX achieves a -0.38% return, which is significantly lower than MGC's 9.05% return. Over the past 10 years, NEFZX has underperformed MGC with an annualized return of 3.15%, while MGC has yielded a comparatively higher 16.51% annualized return.

NEFZX

• 1D: 0.08%
• 1M: 0.57%
• YTD: -0.38%
• 6M: -0.14%
• 1Y: 4.66%
• 3Y*: 7.08%
• 5Y*: 2.03%
• 10Y*: 3.15%

MGC

• 1D: -0.63%
• 1M: -0.40%
• YTD: 9.05%
• 6M: 8.78%
• 1Y: 27.57%
• 3Y*: 22.54%
• 5Y*: 14.13%
• 10Y*: 16.51%

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

NEFZX vs. MGC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NEFZX Loomis Sayles Strategic Income Fund	-0.38%	8.92%	7.05%	8.02%	-12.82%	3.85%	1.15%	10.84%	-3.00%	7.22%
MGC Vanguard Mega Cap ETF	9.05%	19.31%	27.16%	29.77%	-19.95%	27.58%	21.57%	31.14%	-3.45%	22.61%

Correlation

The correlation between NEFZX and MGC is 0.53, 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	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.37
Correlation (5Y) Calculated over the trailing 5-year period	0.46
Correlation (10Y) Calculated over the trailing 10-year period	0.52
Correlation (All Time) Calculated using the full available price history since Dec 27, 2007	0.57

The correlation between NEFZX and MGC shifts across timeframes, from 0.37 (3 years) to 0.57 (all time), reflecting how their relationship changes across market environments.

Return for Risk

NEFZX vs. MGC — Risk / Return Rank

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

NEFZX

NEFZX Risk / Return Rank: 20
NEFZX Sharpe Ratio Rank: 22
NEFZX Sortino Ratio Rank: 20
NEFZX Omega Ratio Rank: 23
NEFZX Calmar Ratio Rank: 16
NEFZX Martin Ratio Rank: 17

MGC

MGC Risk / Return Rank: 65
MGC Sharpe Ratio Rank: 68
MGC Sortino Ratio Rank: 65
MGC Omega Ratio Rank: 66
MGC Calmar Ratio Rank: 58
MGC Martin Ratio Rank: 68

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.

NEFZX vs. MGC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Loomis Sayles Strategic Income Fund (NEFZX) and Vanguard Mega Cap ETF (MGC). 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.

	NEFZX	MGC	Difference
Sharpe ratio: Return per unit of total volatility	1.24	2.13	-0.90
Sortino ratio: Return per unit of downside risk	1.77	2.88	-1.11
Omega ratio: Gain probability vs. loss probability	1.23	1.38	-0.15
Calmar ratio: Return relative to maximum drawdown	1.34	2.81	-1.47
Martin ratio: Return relative to average drawdown	4.18	12.20	-8.02

NEFZX vs. MGC - Sharpe Ratio Comparison

The current NEFZX Sharpe Ratio is 1.24, which is lower than the MGC Sharpe Ratio of 2.13. The chart below compares the historical Sharpe Ratios of NEFZX and MGC, 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

NEFZX vs. MGC - Drawdown Comparison

The maximum NEFZX drawdown since its inception was -32.07%, smaller than the maximum MGC drawdown of -52.26%. Use the drawdown chart below to compare losses from any high point for NEFZX and MGC.

Drawdown Indicators

	NEFZX	MGC	Difference
Max Drawdown Largest peak-to-trough decline	-32.07%	-52.26%	+20.19%
Max Drawdown (1Y) Largest decline over 1 year	-4.17%	-9.85%	+5.68%
Max Drawdown (3Y) Largest decline over 3 years	-5.88%	-19.28%	+13.40%
Max Drawdown (5Y) Largest decline over 5 years	-17.19%	-25.74%	+8.55%
Max Drawdown (10Y) Largest decline over 10 years	-17.21%	-33.07%	+15.86%
Current Drawdown Current decline from peak	-2.10%	-2.36%	+0.26%
Average Drawdown Average peak-to-trough decline	-3.36%	-7.17%	+3.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.23%	2.27%	-1.04%

Volatility

NEFZX vs. MGC - Volatility Comparison

The current volatility for Loomis Sayles Strategic Income Fund (NEFZX) is 1.59%, while Vanguard Mega Cap ETF (MGC) has a volatility of 5.00%. This indicates that NEFZX experiences smaller price fluctuations and is considered to be less risky than MGC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NEFZX	MGC	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.59%	5.00%	-3.41%
Volatility (6M) Calculated over the trailing 6-month period	3.59%	10.23%	-6.64%
Volatility (1Y) Calculated over the trailing 1-year period	4.53%	13.01%	-8.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.60%	17.37%	-11.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.28%	18.27%	-12.99%

NEFZX vs. MGC - Expense Ratio Comparison

NEFZX has a 0.95% expense ratio, which is higher than MGC's 0.05% expense ratio.

Dividends

NEFZX vs. MGC - Dividend Comparison

NEFZX's dividend yield for the trailing twelve months is around 3.97%, more than MGC's 0.88% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MGC Vanguard Mega Cap ETF	0.88%	0.93%	1.15%	1.35%	1.65%	1.17%	1.45%	1.81%	2.10%	1.83%	2.14%	2.11%
NEFZX Loomis Sayles Strategic Income Fund	3.97%	3.83%	5.60%	5.37%	6.34%	2.64%	4.20%	3.51%	4.28%	4.06%	4.76%	10.22%

Frequently Asked Questions

Can I hold both NEFZX and MGC in my portfolio?

NEFZX and MGC have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NEFZX or MGC?

MGC has higher volatility (5.00%) compared to NEFZX (1.59%). In terms of maximum drawdown, NEFZX dropped -32.07% vs MGC's -52.26%.

Which has better risk-adjusted returns?

MGC currently has the higher Sharpe Ratio (2.13 vs 1.24), 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.