NEFLX vs. GAFYX

Last updated Jun 3, 2026

NEFLX (Loomis Sayles Limited Term Government And Agency Fund) and GAFYX (AlphaSimplex Global Alternatives Fund) are both mutual funds - NEFLX is a Government Bonds fund managed by Natixis, while GAFYX is a Multistrategy fund managed by Natixis. Over the past 10 years, NEFLX returned 1.41%/yr vs 4.85%/yr for GAFYX. At a correlation of -0.07, they often move in opposite directions. NEFLX charges 0.69%/yr vs 1.24%/yr for GAFYX.

Performance

NEFLX vs. GAFYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Loomis Sayles Limited Term Government And Agency Fund (NEFLX) and AlphaSimplex Global Alternatives Fund (GAFYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NEFLX achieves a 0.36% return, which is significantly lower than GAFYX's 10.52% return. Over the past 10 years, NEFLX has underperformed GAFYX with an annualized return of 1.41%, while GAFYX has yielded a comparatively higher 4.85% annualized return.

NEFLX

• 1D: -0.09%
• 1M: 0.00%
• YTD: 0.36%
• 6M: 0.67%
• 1Y: 2.89%
• 3Y*: 3.59%
• 5Y*: 1.33%
• 10Y*: 1.41%

GAFYX

• 1D: 0.55%
• 1M: 2.17%
• YTD: 10.52%
• 6M: 11.00%
• 1Y: 17.36%
• 3Y*: 9.43%
• 5Y*: 5.68%
• 10Y*: 4.85%

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

NEFLX vs. GAFYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NEFLX Loomis Sayles Limited Term Government And Agency Fund	0.36%	5.01%	3.14%	4.19%	-4.74%	-1.25%	3.19%	3.14%	1.14%	0.84%
GAFYX AlphaSimplex Global Alternatives Fund	10.52%	6.68%	9.66%	3.77%	-0.49%	1.29%	-2.12%	10.49%	-6.21%	11.12%

Correlation

The correlation between NEFLX and GAFYX is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.29
Correlation (3Y) Calculated over the trailing 3-year period	0.06
Correlation (5Y) Calculated over the trailing 5-year period	-0.01
Correlation (10Y) Calculated over the trailing 10-year period	-0.09
Correlation (All Time) Calculated using the full available price history since Oct 2, 2008	-0.07

The correlation between NEFLX and GAFYX shifts across timeframes, from -0.09 (10 years) to 0.29 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

NEFLX vs. GAFYX — Risk / Return Rank

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

NEFLX

NEFLX Risk / Return Rank: 55
NEFLX Sharpe Ratio Rank: 40
NEFLX Sortino Ratio Rank: 62
NEFLX Omega Ratio Rank: 51
NEFLX Calmar Ratio Rank: 76
NEFLX Martin Ratio Rank: 47

GAFYX

GAFYX Risk / Return Rank: 71
GAFYX Sharpe Ratio Rank: 64
GAFYX Sortino Ratio Rank: 66
GAFYX Omega Ratio Rank: 71
GAFYX Calmar Ratio Rank: 74
GAFYX Martin Ratio Rank: 79

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.

NEFLX vs. GAFYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Loomis Sayles Limited Term Government And Agency Fund (NEFLX) and AlphaSimplex Global Alternatives Fund (GAFYX). 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.

	NEFLX	GAFYX	Difference
Sharpe ratio Return per unit of total volatility	1.83	2.36	-0.53
Sortino ratio Return per unit of downside risk	3.30	3.41	-0.11
Omega ratio Gain probability vs. loss probability	1.39	1.47	-0.08
Calmar ratio Return relative to maximum drawdown	3.46	3.37	+0.09
Martin ratio Return relative to average drawdown	9.79	14.93	-5.14
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NEFLX vs. GAFYX - Sharpe Ratio Comparison

The current NEFLX Sharpe Ratio is 1.83, which is comparable to the GAFYX Sharpe Ratio of 2.36. The chart below compares the historical Sharpe Ratios of NEFLX and GAFYX, 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

	NEFLX	GAFYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.83	2.36	-0.53
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.56	0.79	-0.23
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.72	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	1.35	0.55	+0.80

Drawdowns

NEFLX vs. GAFYX - Drawdown Comparison

The maximum NEFLX drawdown since its inception was -7.37%, smaller than the maximum GAFYX drawdown of -19.49%. Use the drawdown chart below to compare losses from any high point for NEFLX and GAFYX.

Drawdown Indicators

	NEFLX	GAFYX	Difference
Max Drawdown Largest peak-to-trough decline	-7.37%	-19.49%	+12.12%
Max Drawdown (1Y) Largest decline over 1 year	-1.19%	-5.19%	+4.00%
Max Drawdown (3Y) Largest decline over 3 years	-1.34%	-9.74%	+8.40%
Max Drawdown (5Y) Largest decline over 5 years	-7.21%	-9.74%	+2.53%
Max Drawdown (10Y) Largest decline over 10 years	-7.37%	-13.26%	+5.89%
Current Drawdown Current decline from peak	-0.45%	0.00%	-0.45%
Average Drawdown Average peak-to-trough decline	-0.88%	-4.63%	+3.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.42%	1.17%	-0.75%

Volatility

NEFLX vs. GAFYX - Volatility Comparison

The current volatility for Loomis Sayles Limited Term Government And Agency Fund (NEFLX) is 0.54%, while AlphaSimplex Global Alternatives Fund (GAFYX) has a volatility of 2.27%. This indicates that NEFLX experiences smaller price fluctuations and is considered to be less risky than GAFYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NEFLX	GAFYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.54%	2.27%	-1.73%
Volatility (6M) Calculated over the trailing 6-month period	1.40%	6.38%	-4.98%
Volatility (1Y) Calculated over the trailing 1-year period	1.97%	7.45%	-5.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.47%	7.19%	-4.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.99%	6.75%	-4.76%

NEFLX vs. GAFYX - Expense Ratio Comparison

NEFLX has a 0.69% expense ratio, which is lower than GAFYX's 1.24% expense ratio.

Dividends

NEFLX vs. GAFYX - Dividend Comparison

NEFLX's dividend yield for the trailing twelve months is around 3.14%, while GAFYX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GAFYX AlphaSimplex Global Alternatives Fund	0.00%	0.00%	0.00%	5.24%	9.57%	0.00%	2.57%	1.16%	1.37%	0.74%	0.00%	3.53%
NEFLX Loomis Sayles Limited Term Government And Agency Fund	3.14%	3.21%	3.18%	2.96%	1.26%	0.59%	1.12%	2.02%	1.92%	1.73%	1.50%	1.54%

Frequently Asked Questions

Can I hold both NEFLX and GAFYX in my portfolio?

NEFLX and GAFYX have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NEFLX or GAFYX?

GAFYX has higher volatility (2.27%) compared to NEFLX (0.54%). In terms of maximum drawdown, NEFLX dropped -7.37% vs GAFYX's -19.49%.

Which has better risk-adjusted returns?

GAFYX currently has the higher Sharpe Ratio (2.36 vs 1.83), 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.