SPHIX vs. FNILX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity High Income Fund (SPHIX) and Fidelity ZERO Large Cap Index Fund (FNILX).

SPHIX is managed by Fidelity. It was launched on Aug 29, 1990. FNILX is managed by Fidelity.

Performance

SPHIX vs. FNILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity High Income Fund (SPHIX) and Fidelity ZERO Large Cap Index Fund (FNILX). The values are adjusted to include any dividend payments, if applicable.

SPHIX vs. FNILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
SPHIX Fidelity High Income Fund	-0.85%	9.85%	9.57%	10.99%	-13.08%	3.55%	2.47%	14.27%	-5.39%
FNILX Fidelity ZERO Large Cap Index Fund	-7.30%	17.81%	25.47%	27.45%	-19.37%	26.67%	21.13%	31.79%	-13.60%

Returns By Period

In the year-to-date period, SPHIX achieves a -0.85% return, which is significantly higher than FNILX's -7.30% return.

SPHIX

• 1D: 0.00%
• 1M: -2.33%
• YTD: -0.85%
• 6M: 0.57%
• 1Y: 8.03%
• 3Y*: 8.81%
• 5Y*: 3.72%
• 10Y*: 5.26%

FNILX

• 1D: -0.35%
• 1M: -7.60%
• YTD: -7.30%
• 6M: -5.00%
• 1Y: 14.41%
• 3Y*: 17.43%
• 5Y*: 11.17%
• 10Y*: —

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

SPHIX vs. FNILX - Expense Ratio Comparison

SPHIX has a 0.70% expense ratio, which is higher than FNILX's 0.00% expense ratio.

SPHIX

Fidelity High Income Fund

FNILX

Fidelity ZERO Large Cap Index Fund

Return for Risk

SPHIX vs. FNILX — Risk / Return Rank

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

SPHIX

SPHIX Risk / Return Rank: 93
SPHIX Sharpe Ratio Rank: 94
SPHIX Sortino Ratio Rank: 94
SPHIX Omega Ratio Rank: 94
SPHIX Calmar Ratio Rank: 89
SPHIX Martin Ratio Rank: 91

FNILX

FNILX Risk / Return Rank: 45
FNILX Sharpe Ratio Rank: 40
FNILX Sortino Ratio Rank: 44
FNILX Omega Ratio Rank: 49
FNILX Calmar Ratio Rank: 41
FNILX Martin Ratio Rank: 52

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.

SPHIX vs. FNILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity High Income Fund (SPHIX) and Fidelity ZERO Large Cap Index Fund (FNILX). 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.

	SPHIX	FNILX	Difference
Sharpe ratio Return per unit of total volatility	2.12	0.83	+1.29
Sortino ratio Return per unit of downside risk	2.97	1.28	+1.68
Omega ratio Gain probability vs. loss probability	1.49	1.20	+0.30
Calmar ratio Return relative to maximum drawdown	2.43	1.04	+1.39
Martin ratio Return relative to average drawdown	10.66	5.01	+5.65
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SPHIX vs. FNILX - Sharpe Ratio Comparison

The current SPHIX Sharpe Ratio is 2.12, which is higher than the FNILX Sharpe Ratio of 0.83. The chart below compares the historical Sharpe Ratios of SPHIX and FNILX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SPHIX	FNILX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.12	0.83	+1.29
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	0.65	+0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.91	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.44	0.64	+0.80

Correlation

The correlation between SPHIX and FNILX is 0.53, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

SPHIX vs. FNILX - Dividend Comparison

SPHIX's dividend yield for the trailing twelve months is around 6.01%, more than FNILX's 1.09% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPHIX Fidelity High Income Fund	6.01%	6.43%	6.10%	5.41%	3.91%	4.07%	4.71%	5.10%	6.02%	5.40%	6.07%	5.59%
FNILX Fidelity ZERO Large Cap Index Fund	1.09%	1.01%	1.09%	1.34%	1.53%	0.95%	1.20%	1.17%	0.53%	0.00%	0.00%	0.00%

Drawdowns

SPHIX vs. FNILX - Drawdown Comparison

The maximum SPHIX drawdown since its inception was -31.36%, smaller than the maximum FNILX drawdown of -33.76%. Use the drawdown chart below to compare losses from any high point for SPHIX and FNILX.

Drawdown Indicators

	SPHIX	FNILX	Difference
Max Drawdown Largest peak-to-trough decline	-31.36%	-33.76%	+2.40%
Max Drawdown (1Y) Largest decline over 1 year	-3.31%	-12.18%	+8.87%
Max Drawdown (5Y) Largest decline over 5 years	-16.46%	-25.40%	+8.94%
Max Drawdown (10Y) Largest decline over 10 years	-22.44%	—	—
Current Drawdown Current decline from peak	-2.33%	-9.01%	+6.68%
Average Drawdown Average peak-to-trough decline	-3.49%	-5.47%	+1.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.75%	2.54%	-1.79%

Volatility

SPHIX vs. FNILX - Volatility Comparison

The current volatility for Fidelity High Income Fund (SPHIX) is 1.33%, while Fidelity ZERO Large Cap Index Fund (FNILX) has a volatility of 4.23%. This indicates that SPHIX experiences smaller price fluctuations and is considered to be less risky than FNILX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPHIX	FNILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.33%	4.23%	-2.90%
Volatility (6M) Calculated over the trailing 6-month period	2.28%	9.14%	-6.86%
Volatility (1Y) Calculated over the trailing 1-year period	3.95%	18.26%	-14.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.26%	17.22%	-11.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.79%	20.17%	-14.38%