SPHIX vs. FAPGX

Last updated Jun 4, 2026

SPHIX (Fidelity High Income Fund) and FAPGX (Fidelity Sustainable Low Duration Bond) are both mutual funds - SPHIX is a High Yield Bonds fund managed by Fidelity, while FAPGX is a Ultrashort Bond fund managed by Fidelity. Over the past 3 years, SPHIX returned 10.21%/yr vs 4.91%/yr for FAPGX. At a 0.27 correlation, their price movements are largely independent. SPHIX charges 0.70%/yr vs 0.25%/yr for FAPGX.

Performance

SPHIX vs. FAPGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity High Income Fund (SPHIX) and Fidelity Sustainable Low Duration Bond (FAPGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPHIX achieves a 3.57% return, which is significantly higher than FAPGX's 1.39% return.

SPHIX

• 1D: 0.00%
• 1M: 0.87%
• YTD: 3.57%
• 6M: 4.43%
• 1Y: 10.31%
• 3Y*: 10.21%
• 5Y*: 4.38%
• 10Y*: 5.28%

FAPGX

• 1D: 0.00%
• 1M: 0.26%
• YTD: 1.39%
• 6M: 1.75%
• 1Y: 4.11%
• 3Y*: 4.91%
• 5Y*: —
• 10Y*: —

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

SPHIX vs. FAPGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SPHIX Fidelity High Income Fund	3.57%	9.85%	9.57%	10.99%	-7.62%
FAPGX Fidelity Sustainable Low Duration Bond	1.39%	4.57%	5.32%	5.28%	0.57%

Correlation

The correlation between SPHIX and FAPGX is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.33
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (All Time) Calculated using the full available price history since Apr 14, 2022	0.27

Return for Risk

SPHIX vs. FAPGX — Risk / Return Rank

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

SPHIX

SPHIX Risk / Return Rank: 95
SPHIX Sharpe Ratio Rank: 95
SPHIX Sortino Ratio Rank: 97
SPHIX Omega Ratio Rank: 96
SPHIX Calmar Ratio Rank: 91
SPHIX Martin Ratio Rank: 96

FAPGX

FAPGX Risk / Return Rank: 99
FAPGX Sharpe Ratio Rank: 97
FAPGX Sortino Ratio Rank: 99
FAPGX Omega Ratio Rank: 99
FAPGX Calmar Ratio Rank: 99
FAPGX Martin Ratio Rank: 99

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. FAPGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity High Income Fund (SPHIX) and Fidelity Sustainable Low Duration Bond (FAPGX). 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	FAPGX	Difference
Sharpe ratio: Return per unit of total volatility	3.32	3.69	-0.37
Sortino ratio: Return per unit of downside risk	5.84	9.70	-3.86
Omega ratio: Gain probability vs. loss probability	1.81	3.24	-1.42
Calmar ratio: Return relative to maximum drawdown	4.86	14.05	-9.19
Martin ratio: Return relative to average drawdown	24.56	64.52	-39.96
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. FAPGX - Sharpe Ratio Comparison

The current SPHIX Sharpe Ratio is 3.32, which is comparable to the FAPGX Sharpe Ratio of 3.69. The chart below compares the historical Sharpe Ratios of SPHIX and FAPGX, 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

	SPHIX	FAPGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.32	3.69	-0.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.83	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.91	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.46	3.88	-2.43

Drawdowns

SPHIX vs. FAPGX - Drawdown Comparison

The maximum SPHIX drawdown since its inception was -31.36%, which is greater than FAPGX's maximum drawdown of -0.49%. Use the drawdown chart below to compare losses from any high point for SPHIX and FAPGX.

Drawdown Indicators

	SPHIX	FAPGX	Difference
Max Drawdown Largest peak-to-trough decline	-31.36%	-0.49%	-30.87%
Max Drawdown (1Y) Largest decline over 1 year	-2.33%	-0.29%	-2.04%
Max Drawdown (3Y) Largest decline over 3 years	-4.15%	-0.39%	-3.76%
Max Drawdown (5Y) Largest decline over 5 years	-16.46%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-22.44%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.48%	-0.06%	-3.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.46%	0.06%	+0.40%

Volatility

SPHIX vs. FAPGX - Volatility Comparison

Fidelity High Income Fund (SPHIX) has a higher volatility of 0.96% compared to Fidelity Sustainable Low Duration Bond (FAPGX) at 0.26%. This indicates that SPHIX's price experiences larger fluctuations and is considered to be riskier than FAPGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPHIX	FAPGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.96%	0.26%	+0.70%
Volatility (6M) Calculated over the trailing 6-month period	2.57%	0.83%	+1.74%
Volatility (1Y) Calculated over the trailing 1-year period	3.42%	1.12%	+2.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.30%	1.07%	+4.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.79%	1.07%	+4.72%

SPHIX vs. FAPGX - Expense Ratio Comparison

SPHIX has a 0.70% expense ratio, which is higher than FAPGX's 0.25% expense ratio.

Dividends

SPHIX vs. FAPGX - Dividend Comparison

SPHIX's dividend yield for the trailing twelve months is around 6.38%, more than FAPGX's 4.63% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FAPGX Fidelity Sustainable Low Duration Bond	4.63%	4.40%	4.81%	3.44%	0.77%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPHIX Fidelity High Income Fund	6.38%	6.43%	6.10%	5.41%	3.91%	4.07%	4.71%	5.10%	6.02%	5.40%	6.07%	5.59%

Frequently Asked Questions

Can I hold both SPHIX and FAPGX in my portfolio?

SPHIX and FAPGX have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPHIX or FAPGX?

SPHIX has higher volatility (0.96%) compared to FAPGX (0.26%). In terms of maximum drawdown, SPHIX dropped -31.36% vs FAPGX's -0.49%.

Which has better risk-adjusted returns?

FAPGX currently has the higher Sharpe Ratio (3.69 vs 3.32), 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.