SDSAX vs. MZLSX

Last updated Apr 1, 2026

Compare and contrast key facts about Western Asset Income Fund (SDSAX) and Muzinich Low Duration Fund (MZLSX).

SDSAX is managed by Franklin Templeton. It was launched on Nov 5, 1992. MZLSX is managed by Muzinich. It was launched on Jun 29, 2016.

Performance

SDSAX vs. MZLSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Western Asset Income Fund (SDSAX) and Muzinich Low Duration Fund (MZLSX). The values are adjusted to include any dividend payments, if applicable.

SDSAX vs. MZLSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SDSAX Western Asset Income Fund	-1.36%	7.99%	4.35%	9.03%	-13.53%	1.75%	3.67%	12.48%	-3.95%	8.41%
MZLSX Muzinich Low Duration Fund	-0.57%	6.38%	6.30%	7.63%	-3.41%	2.50%	2.64%	7.86%	0.80%	4.26%

Returns By Period

In the year-to-date period, SDSAX achieves a -1.36% return, which is significantly lower than MZLSX's -0.57% return.

SDSAX

• 1D: 0.20%
• 1M: -2.57%
• YTD: -1.36%
• 6M: -0.02%
• 1Y: 4.92%
• 3Y*: 5.46%
• 5Y*: 1.63%
• 10Y*: 3.39%

MZLSX

• 1D: 0.11%
• 1M: -1.38%
• YTD: -0.57%
• 6M: 0.72%
• 1Y: 4.41%
• 3Y*: 6.11%
• 5Y*: 3.46%
• 10Y*: —

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

SDSAX vs. MZLSX - Expense Ratio Comparison

SDSAX has a 0.92% expense ratio, which is higher than MZLSX's 0.50% expense ratio.

SDSAX

Western Asset Income Fund

MZLSX

Muzinich Low Duration Fund

Return for Risk

SDSAX vs. MZLSX — Risk / Return Rank

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

SDSAX

SDSAX Risk / Return Rank: 80
SDSAX Sharpe Ratio Rank: 79
SDSAX Sortino Ratio Rank: 84
SDSAX Omega Ratio Rank: 79
SDSAX Calmar Ratio Rank: 80
SDSAX Martin Ratio Rank: 76

MZLSX

MZLSX Risk / Return Rank: 96
MZLSX Sharpe Ratio Rank: 98
MZLSX Sortino Ratio Rank: 97
MZLSX Omega Ratio Rank: 97
MZLSX Calmar Ratio Rank: 94
MZLSX Martin Ratio Rank: 96

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.

SDSAX vs. MZLSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Western Asset Income Fund (SDSAX) and Muzinich Low Duration Fund (MZLSX). 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.

	SDSAX	MZLSX	Difference
Sharpe ratio Return per unit of total volatility	1.46	2.80	-1.34
Sortino ratio Return per unit of downside risk	2.21	4.00	-1.78
Omega ratio Gain probability vs. loss probability	1.31	1.71	-0.40
Calmar ratio Return relative to maximum drawdown	1.92	2.99	-1.06
Martin ratio Return relative to average drawdown	7.34	14.39	-7.04
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SDSAX vs. MZLSX - Sharpe Ratio Comparison

The current SDSAX Sharpe Ratio is 1.46, which is lower than the MZLSX Sharpe Ratio of 2.80. The chart below compares the historical Sharpe Ratios of SDSAX and MZLSX, 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

	SDSAX	MZLSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.46	2.80	-1.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.36	2.19	-1.84
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.71	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.14	1.69	-0.55

Correlation

The correlation between SDSAX and MZLSX is 0.51, 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

SDSAX vs. MZLSX - Dividend Comparison

SDSAX's dividend yield for the trailing twelve months is around 6.33%, less than MZLSX's 7.01% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SDSAX Western Asset Income Fund	6.33%	6.85%	6.05%	6.54%	4.78%	3.39%	4.48%	5.69%	5.97%	4.90%	5.14%	9.07%
MZLSX Muzinich Low Duration Fund	7.01%	7.03%	4.77%	4.88%	3.85%	6.36%	2.08%	2.24%	8.62%	1.86%	0.79%	0.00%

Drawdowns

SDSAX vs. MZLSX - Drawdown Comparison

The maximum SDSAX drawdown since its inception was -27.16%, which is greater than MZLSX's maximum drawdown of -12.66%. Use the drawdown chart below to compare losses from any high point for SDSAX and MZLSX.

Drawdown Indicators

	SDSAX	MZLSX	Difference
Max Drawdown Largest peak-to-trough decline	-27.16%	-12.66%	-14.50%
Max Drawdown (1Y) Largest decline over 1 year	-2.77%	-1.50%	-1.27%
Max Drawdown (5Y) Largest decline over 5 years	-17.75%	-6.09%	-11.66%
Max Drawdown (10Y) Largest decline over 10 years	-20.55%	—	—
Current Drawdown Current decline from peak	-2.57%	-1.40%	-1.17%
Average Drawdown Average peak-to-trough decline	-2.41%	-0.86%	-1.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.72%	0.31%	+0.41%

Volatility

SDSAX vs. MZLSX - Volatility Comparison

Western Asset Income Fund (SDSAX) has a higher volatility of 1.18% compared to Muzinich Low Duration Fund (MZLSX) at 0.81%. This indicates that SDSAX's price experiences larger fluctuations and is considered to be riskier than MZLSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SDSAX	MZLSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.18%	0.81%	+0.37%
Volatility (6M) Calculated over the trailing 6-month period	2.30%	1.13%	+1.17%
Volatility (1Y) Calculated over the trailing 1-year period	3.66%	1.57%	+2.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.57%	1.58%	+2.99%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.81%	2.13%	+2.68%