FIWDX vs. SPHIX

Last updated Jun 3, 2026

FIWDX (Fidelity Advisor Strategic Income Fund Class Z) and SPHIX (Fidelity High Income Fund) are both mutual funds - FIWDX is a Total Bond Market fund managed by Fidelity, while SPHIX is a High Yield Bonds fund managed by Fidelity. Over the past 5 years, FIWDX returned 3.26%/yr vs 4.36%/yr for SPHIX. A 0.76 correlation means they provide meaningful diversification when combined. FIWDX charges 0.61%/yr vs 0.70%/yr for SPHIX.

Performance

FIWDX vs. SPHIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Strategic Income Fund Class Z (FIWDX) and Fidelity High Income Fund (SPHIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FIWDX achieves a 3.23% return, which is significantly lower than SPHIX's 3.57% return.

FIWDX

• 1D: 0.08%
• 1M: 0.76%
• YTD: 3.23%
• 6M: 3.74%
• 1Y: 10.17%
• 3Y*: 8.10%
• 5Y*: 3.26%
• 10Y*: —

SPHIX

• 1D: 0.00%
• 1M: 0.75%
• YTD: 3.57%
• 6M: 4.55%
• 1Y: 11.29%
• 3Y*: 10.21%
• 5Y*: 4.36%
• 10Y*: 5.28%

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

FIWDX vs. SPHIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FIWDX Fidelity Advisor Strategic Income Fund Class Z	3.23%	8.98%	6.07%	9.20%	-11.76%	3.51%	7.60%	11.20%	-1.63%
SPHIX Fidelity High Income Fund	3.57%	9.85%	9.57%	10.99%	-13.08%	3.55%	2.47%	14.27%	-4.53%

Correlation

The correlation between FIWDX and SPHIX is 0.77, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.77
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.76
Correlation (All Time) Calculated using the full available price history since Oct 18, 2018	0.76

The correlation between FIWDX and SPHIX has been stable across timeframes, ranging from 0.76 to 0.78 - a consistent structural relationship.

Return for Risk

FIWDX vs. SPHIX — Risk / Return Rank

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

FIWDX

FIWDX Risk / Return Rank: 88
FIWDX Sharpe Ratio Rank: 88
FIWDX Sortino Ratio Rank: 91
FIWDX Omega Ratio Rank: 88
FIWDX Calmar Ratio Rank: 85
FIWDX Martin Ratio Rank: 88

SPHIX

SPHIX Risk / Return Rank: 95
SPHIX Sharpe Ratio Rank: 95
SPHIX Sortino Ratio Rank: 97
SPHIX Omega Ratio Rank: 95
SPHIX Calmar Ratio Rank: 93
SPHIX Martin Ratio Rank: 97

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.

FIWDX vs. SPHIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Strategic Income Fund Class Z (FIWDX) and Fidelity High Income Fund (SPHIX). 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.

	FIWDX	SPHIX	Difference
Sharpe ratio Return per unit of total volatility	2.88	3.32	-0.43
Sortino ratio Return per unit of downside risk	4.45	5.84	-1.39
Omega ratio Gain probability vs. loss probability	1.62	1.81	-0.19
Calmar ratio Return relative to maximum drawdown	4.00	5.09	-1.09
Martin ratio Return relative to average drawdown	17.31	25.76	-8.44
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FIWDX vs. SPHIX - Sharpe Ratio Comparison

The current FIWDX Sharpe Ratio is 2.88, which is comparable to the SPHIX Sharpe Ratio of 3.32. The chart below compares the historical Sharpe Ratios of FIWDX and SPHIX, 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

	FIWDX	SPHIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.88	3.32	-0.43
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.72	0.83	-0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.92	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.93	1.46	-0.53

Drawdowns

FIWDX vs. SPHIX - Drawdown Comparison

The maximum FIWDX drawdown since its inception was -15.96%, smaller than the maximum SPHIX drawdown of -31.36%. Use the drawdown chart below to compare losses from any high point for FIWDX and SPHIX.

Drawdown Indicators

	FIWDX	SPHIX	Difference
Max Drawdown Largest peak-to-trough decline	-15.96%	-31.36%	+15.40%
Max Drawdown (1Y) Largest decline over 1 year	-2.61%	-2.33%	-0.28%
Max Drawdown (3Y) Largest decline over 3 years	-3.97%	-4.15%	+0.18%
Max Drawdown (5Y) Largest decline over 5 years	-15.96%	-16.46%	+0.50%
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	-3.20%	-3.48%	+0.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.60%	0.46%	+0.14%

Volatility

FIWDX vs. SPHIX - Volatility Comparison

Fidelity Advisor Strategic Income Fund Class Z (FIWDX) has a higher volatility of 1.39% compared to Fidelity High Income Fund (SPHIX) at 0.97%. This indicates that FIWDX's price experiences larger fluctuations and is considered to be riskier than SPHIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FIWDX	SPHIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.39%	0.97%	+0.42%
Volatility (6M) Calculated over the trailing 6-month period	2.94%	2.64%	+0.30%
Volatility (1Y) Calculated over the trailing 1-year period	3.52%	3.43%	+0.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.53%	5.30%	-0.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.88%	5.79%	-0.91%

FIWDX vs. SPHIX - Expense Ratio Comparison

FIWDX has a 0.61% expense ratio, which is lower than SPHIX's 0.70% expense ratio.

Dividends

FIWDX vs. SPHIX - Dividend Comparison

FIWDX's dividend yield for the trailing twelve months is around 4.35%, less than SPHIX's 6.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FIWDX Fidelity Advisor Strategic Income Fund Class Z	4.35%	4.39%	4.21%	4.02%	2.99%	4.28%	4.62%	4.39%	1.13%	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 FIWDX and SPHIX in my portfolio?

FIWDX and SPHIX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FIWDX or SPHIX?

FIWDX has higher volatility (1.39%) compared to SPHIX (0.97%). In terms of maximum drawdown, FIWDX dropped -15.96% vs SPHIX's -31.36%.

Which has better risk-adjusted returns?

SPHIX currently has the higher Sharpe Ratio (3.32 vs 2.88), 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.