FXNAX vs. FSENX

Last updated Jun 4, 2026

FXNAX (Fidelity U.S. Bond Index Fund) and FSENX (Fidelity Select Energy Portfolio) are both mutual funds - FXNAX is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index, while FSENX is a Energy Equities fund managed by Fidelity. Over the past 10 years, FXNAX returned 1.51%/yr vs 9.68%/yr for FSENX. At a correlation of -0.22, they often move in opposite directions. FXNAX charges 0.03%/yr vs 0.77%/yr for FSENX.

Performance

FXNAX vs. FSENX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity U.S. Bond Index Fund (FXNAX) and Fidelity Select Energy Portfolio (FSENX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FXNAX achieves a 0.40% return, which is significantly lower than FSENX's 35.02% return. Over the past 10 years, FXNAX has underperformed FSENX with an annualized return of 1.51%, while FSENX has yielded a comparatively higher 9.68% annualized return.

FXNAX

• 1D: 0.00%
• 1M: 0.51%
• YTD: 0.40%
• 6M: 0.34%
• 1Y: 5.37%
• 3Y*: 4.02%
• 5Y*: 0.12%
• 10Y*: 1.51%

FSENX

• 1D: 1.38%
• 1M: -2.65%
• YTD: 35.02%
• 6M: 31.99%
• 1Y: 51.42%
• 3Y*: 19.21%
• 5Y*: 22.08%
• 10Y*: 9.68%

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

FXNAX vs. FSENX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FXNAX Fidelity U.S. Bond Index Fund	0.40%	7.14%	1.35%	5.82%	-13.55%	-2.10%	7.63%	8.50%	0.04%	3.50%
FSENX Fidelity Select Energy Portfolio	35.02%	10.56%	4.26%	0.94%	62.98%	55.31%	-32.51%	9.90%	-24.94%	-2.65%

Correlation

The correlation between FXNAX and FSENX is -0.25, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.25
Correlation (3Y) Calculated over the trailing 3-year period	-0.07
Correlation (5Y) Calculated over the trailing 5-year period	-0.11
Correlation (10Y) Calculated over the trailing 10-year period	-0.18
Correlation (All Time) Calculated using the full available price history since May 5, 2011	-0.22

The correlation between FXNAX and FSENX shifts across timeframes, from -0.25 (1 year) to -0.07 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

FXNAX vs. FSENX — Risk / Return Rank

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

FXNAX

FXNAX Risk / Return Rank: 23
FXNAX Sharpe Ratio Rank: 23
FXNAX Sortino Ratio Rank: 24
FXNAX Omega Ratio Rank: 22
FXNAX Calmar Ratio Rank: 24
FXNAX Martin Ratio Rank: 21

FSENX

FSENX Risk / Return Rank: 79
FSENX Sharpe Ratio Rank: 85
FSENX Sortino Ratio Rank: 70
FSENX Omega Ratio Rank: 61
FSENX Calmar Ratio Rank: 94
FSENX Martin Ratio Rank: 84

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.

FXNAX vs. FSENX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity U.S. Bond Index Fund (FXNAX) and Fidelity Select Energy Portfolio (FSENX). 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.

	FXNAX	FSENX	Difference
Sharpe ratio: Return per unit of total volatility	1.36	2.74	-1.38
Sortino ratio: Return per unit of downside risk	2.06	3.47	-1.42
Omega ratio: Gain probability vs. loss probability	1.24	1.43	-0.19
Calmar ratio: Return relative to maximum drawdown	1.83	5.42	-3.59
Martin ratio: Return relative to average drawdown	5.61	15.96	-10.36
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FXNAX vs. FSENX - Sharpe Ratio Comparison

The current FXNAX Sharpe Ratio is 1.36, which is lower than the FSENX Sharpe Ratio of 2.74. The chart below compares the historical Sharpe Ratios of FXNAX and FSENX, 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

	FXNAX	FSENX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.36	2.74	-1.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.02	0.81	-0.79
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.30	0.31	-0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.45	0.32	+0.13

Drawdowns

FXNAX vs. FSENX - Drawdown Comparison

The maximum FXNAX drawdown since its inception was -19.51%, smaller than the maximum FSENX drawdown of -76.24%. Use the drawdown chart below to compare losses from any high point for FXNAX and FSENX.

Drawdown Indicators

	FXNAX	FSENX	Difference
Max Drawdown Largest peak-to-trough decline	-19.51%	-76.24%	+56.73%
Max Drawdown (1Y) Largest decline over 1 year	-2.94%	-9.95%	+7.01%
Max Drawdown (3Y) Largest decline over 3 years	-6.16%	-25.85%	+19.69%
Max Drawdown (5Y) Largest decline over 5 years	-18.54%	-28.02%	+9.48%
Max Drawdown (10Y) Largest decline over 10 years	-19.51%	-72.11%	+52.60%
Current Drawdown Current decline from peak	-2.89%	-5.09%	+2.20%
Average Drawdown Average peak-to-trough decline	-3.87%	-17.01%	+13.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.96%	3.37%	-2.41%

Volatility

FXNAX vs. FSENX - Volatility Comparison

The current volatility for Fidelity U.S. Bond Index Fund (FXNAX) is 1.41%, while Fidelity Select Energy Portfolio (FSENX) has a volatility of 7.60%. This indicates that FXNAX experiences smaller price fluctuations and is considered to be less risky than FSENX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FXNAX	FSENX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.41%	7.60%	-6.19%
Volatility (6M) Calculated over the trailing 6-month period	2.82%	15.35%	-12.53%
Volatility (1Y) Calculated over the trailing 1-year period	3.97%	19.70%	-15.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.07%	27.26%	-21.19%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.01%	30.96%	-25.95%

FXNAX vs. FSENX - Expense Ratio Comparison

FXNAX has a 0.03% expense ratio, which is lower than FSENX's 0.77% expense ratio.

Dividends

FXNAX vs. FSENX - Dividend Comparison

FXNAX's dividend yield for the trailing twelve months is around 3.71%, more than FSENX's 1.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSENX Fidelity Select Energy Portfolio	1.59%	1.95%	1.95%	1.98%	2.50%	2.25%	3.43%	1.84%	1.48%	1.74%	0.62%	1.29%
FXNAX Fidelity U.S. Bond Index Fund	3.71%	3.58%	3.40%	3.15%	1.81%	1.74%	2.92%	2.68%	2.74%	2.57%	2.76%	2.52%

Frequently Asked Questions

Can I hold both FXNAX and FSENX in my portfolio?

FXNAX and FSENX 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, FXNAX or FSENX?

FSENX has higher volatility (7.60%) compared to FXNAX (1.41%). In terms of maximum drawdown, FXNAX dropped -19.51% vs FSENX's -76.24%.

Which has better risk-adjusted returns?

FSENX currently has the higher Sharpe Ratio (2.74 vs 1.36), 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.