MSUMX vs. ESIIX

Last updated Apr 1, 2026

Compare and contrast key facts about BlackRock US Mortgage Portfolio (MSUMX) and Eaton Vance Strategic Income Fund Class I (ESIIX).

MSUMX is managed by BlackRock. It was launched on Jul 28, 2005. ESIIX is an actively managed fund by Eaton Vance. It was launched on Apr 3, 2009.

Performance

MSUMX vs. ESIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock US Mortgage Portfolio (MSUMX) and Eaton Vance Strategic Income Fund Class I (ESIIX). The values are adjusted to include any dividend payments, if applicable.

MSUMX vs. ESIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MSUMX BlackRock US Mortgage Portfolio	0.03%	8.32%	5.88%	5.29%	-14.00%	2.42%	5.66%	6.89%	0.70%	2.68%
ESIIX Eaton Vance Strategic Income Fund Class I	0.53%	12.46%	6.66%	8.52%	-2.32%	1.59%	7.80%	7.65%	-2.44%	5.16%

Returns By Period

MSUMX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

ESIIX

• 1D: 0.15%
• 1M: -2.15%
• YTD: 0.53%
• 6M: 3.43%
• 1Y: 9.40%
• 3Y*: 8.51%
• 5Y*: 5.22%
• 10Y*: 5.12%

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

MSUMX vs. ESIIX - Expense Ratio Comparison

MSUMX has a 0.45% expense ratio, which is lower than ESIIX's 1.21% expense ratio.

ESIIX

Eaton Vance Strategic Income Fund Class I

MSUMX

BlackRock US Mortgage Portfolio

Return for Risk

MSUMX vs. ESIIX — Risk / Return Rank

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

ESIIX

ESIIX Risk / Return Rank: 98
ESIIX Sharpe Ratio Rank: 98
ESIIX Sortino Ratio Rank: 98
ESIIX Omega Ratio Rank: 97
ESIIX Calmar Ratio Rank: 97
ESIIX 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.

MSUMX vs. ESIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock US Mortgage Portfolio (MSUMX) and Eaton Vance Strategic Income Fund Class I (ESIIX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	MSUMX	ESIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	3.12	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.67	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.63	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.45	—

Correlation

The correlation between MSUMX and ESIIX is 0.14, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

MSUMX vs. ESIIX - Dividend Comparison

MSUMX's dividend yield for the trailing twelve months is around 4.37%, less than ESIIX's 7.40% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MSUMX BlackRock US Mortgage Portfolio	4.37%	5.72%	5.81%	3.86%	2.85%	2.20%	3.30%	3.35%	3.88%	2.95%	3.24%	2.96%
ESIIX Eaton Vance Strategic Income Fund Class I	7.40%	7.01%	7.23%	7.19%	5.82%	4.57%	4.44%	5.29%	4.25%	3.95%	4.18%	4.59%

Drawdowns

Drawdown Indicators

	MSUMX	ESIIX	Difference
Max Drawdown Largest peak-to-trough decline	—	-26.87%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-2.44%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-6.18%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-12.25%	—
Current Drawdown Current decline from peak	—	-2.15%	—
Average Drawdown Average peak-to-trough decline	—	-4.76%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.58%	—

Volatility

Volatility by Period

	MSUMX	ESIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.32%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.97%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	3.03%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	3.15%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	3.15%	—