NEFRX vs. FXNAX
NEFRX (Loomis Sayles Core Plus Bond Fund) and FXNAX (Fidelity U.S. Bond Index Fund) are both mutual funds - NEFRX is a Intermediate Core-Plus Bond fund managed by Natixis, while FXNAX is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index. Over the past 10 years, NEFRX returned 1.76%/yr vs 1.25%/yr for FXNAX. Their correlation of 0.83 means they have usually moved in the same direction. NEFRX charges 0.71%/yr vs 0.03%/yr for FXNAX.
Performance
NEFRX vs. FXNAX - Performance Comparison
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Returns By Period
In the year-to-date period, NEFRX achieves a -0.90% return, which is significantly lower than FXNAX's -0.63% return. Over the past 10 years, NEFRX has outperformed FXNAX with an annualized return of 1.76%, while FXNAX has yielded a comparatively lower 1.25% annualized return.
NEFRX
- 1D
- 0.09%
- 1M
- -0.87%
- 6M
- -1.35%
- YTD
- -0.90%
- 1Y
- 2.47%
- 3Y*
- 3.22%
- 5Y*
- -0.51%
- 10Y*
- 1.76%
- ALL TIME*
- 4.18%
FXNAX
- 1D
- 0.10%
- 1M
- -1.25%
- 6M
- -0.85%
- YTD
- -0.63%
- 1Y
- 1.77%
- 3Y*
- 3.69%
- 5Y*
- -0.49%
- 10Y*
- 1.25%
- ALL TIME*
- 1.96%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
NEFRX vs. FXNAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NEFRX Loomis Sayles Core Plus Bond Fund | -0.90% | 7.24% | 0.60% | 5.91% | -12.94% | -1.68% | 10.29% | 8.76% | -0.86% | 4.92% |
FXNAX Fidelity U.S. Bond Index Fund | -0.63% | 7.14% | 1.35% | 5.82% | -13.55% | -2.10% | 7.63% | 8.50% | 0.04% | 3.50% |
Correlation
The correlation between NEFRX and FXNAX is 0.76, 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. | 0.76 |
Correlation (3Y) Balances recent behavior with more history. | 0.84 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.90 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.88 |
Correlation (All Time) Calculated using the full available price history since May 4, 2011 | 0.83 |
The correlation between NEFRX and FXNAX shifts across timeframes, from 0.76 (1 year) to 0.90 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
NEFRX vs. FXNAX — Risk / Return Rank
NEFRX
FXNAX
NEFRX vs. FXNAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Loomis Sayles Core Plus Bond Fund (NEFRX) and Fidelity U.S. Bond Index Fund (FXNAX). 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.
| NEFRX | FXNAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.07 | ||
| Sortino ratioReturn per unit of downside risk | -0.09 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 1.14 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 0.96 | 1.01 | -0.06 |
| Martin ratioReturn relative to average drawdown | 2.21 | 2.55 | -0.34 |
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Drawdowns
NEFRX vs. FXNAX - Drawdown Comparison
The maximum NEFRX drawdown since its inception was -25.45%, which is greater than FXNAX's maximum drawdown of -19.51%. Use the drawdown chart below to compare losses from any high point for NEFRX and FXNAX.
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Drawdown Indicators
| NEFRX | FXNAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -25.45% | -19.51% | -5.94% |
Max Drawdown (1Y)Largest decline over 1 year | -3.00% | -2.94% | -0.06% |
Max Drawdown (3Y)Largest decline over 3 years | -6.62% | -5.11% | -1.51% |
Max Drawdown (5Y)Largest decline over 5 years | -18.55% | -18.54% | -0.01% |
Max Drawdown (10Y)Largest decline over 10 years | -18.76% | -19.51% | +0.75% |
Current DrawdownCurrent decline from peak | -3.08% | -3.89% | +0.81% |
Average DrawdownAverage peak-to-trough decline | -3.96% | -3.86% | -0.10% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.22% | 1.17% | +0.05% |
Volatility
NEFRX vs. FXNAX - Volatility Comparison
Loomis Sayles Core Plus Bond Fund (NEFRX) has a higher volatility of 1.08% compared to Fidelity U.S. Bond Index Fund (FXNAX) at 0.99%. This indicates that NEFRX's price experiences larger fluctuations and is considered to be riskier than FXNAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NEFRX | FXNAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.08% | 0.99% | +0.09% |
Volatility (6M)Calculated over the trailing 6-month period | 2.93% | 3.02% | -0.09% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.08% | 3.85% | +0.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.26% | 6.07% | +0.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.05% | 5.01% | +0.04% |
NEFRX vs. FXNAX - Expense Ratio Comparison
NEFRX has a 0.71% expense ratio, which is higher than FXNAX's 0.03% expense ratio.
Dividends
NEFRX vs. FXNAX - Dividend Comparison
NEFRX's dividend yield for the trailing twelve months is around 3.68%, more than FXNAX's 3.46% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FXNAX Fidelity U.S. Bond Index Fund | 3.46% | 3.58% | 3.40% | 3.15% | 1.81% | 1.74% | 2.92% | 2.68% | 2.74% | 2.57% | 2.76% | 2.52% |
NEFRX Loomis Sayles Core Plus Bond Fund | 3.68% | 3.97% | 3.90% | 3.58% | 3.10% | 2.34% | 4.04% | 2.51% | 2.87% | 2.68% | 3.17% | 2.58% |
Frequently Asked Questions
NEFRX and FXNAX have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NEFRX has higher volatility (1.08%) compared to FXNAX (0.99%). In terms of maximum drawdown, NEFRX dropped -25.45% vs FXNAX's -19.51%.
FXNAX currently has the higher Sharpe Ratio (0.78 vs 0.71), 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.
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