MYMF vs. SMMU

Last updated Jun 3, 2026

MYMF (State Street My2026 Municipal Bond ETF) and SMMU (PIMCO Short Term Municipal Bond Active ETF) are both Municipal Bonds funds. Both are actively managed. Over the past year, MYMF returned 2.93% vs 3.89% for SMMU. At a 0.44 correlation, their price movements are largely independent. MYMF charges 0.20%/yr vs 0.35%/yr for SMMU.

Performance

MYMF vs. SMMU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street My2026 Municipal Bond ETF (MYMF) and PIMCO Short Term Municipal Bond Active ETF (SMMU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MYMF achieves a 0.58% return, which is significantly lower than SMMU's 1.03% return.

MYMF

• 1D: 0.00%
• 1M: 0.29%
• YTD: 0.58%
• 6M: 0.83%
• 1Y: 2.93%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SMMU

• 1D: 0.00%
• 1M: 0.26%
• YTD: 1.03%
• 6M: 1.33%
• 1Y: 3.89%
• 3Y*: 3.64%
• 5Y*: 1.89%
• 10Y*: 1.82%

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

MYMF vs. SMMU - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MYMF State Street My2026 Municipal Bond ETF	0.58%	3.01%	0.19%
SMMU PIMCO Short Term Municipal Bond Active ETF	1.03%	4.06%	-0.24%

Correlation

The correlation between MYMF and SMMU is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.30
Correlation (All Time) Calculated using the full available price history since Sep 25, 2024	0.44

The correlation between MYMF and SMMU shifts across timeframes, from 0.30 (1 year) to 0.44 (all time), reflecting how their relationship changes across market environments.

Return for Risk

MYMF vs. SMMU — Risk / Return Rank

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

MYMF

MYMF Risk / Return Rank: 96
MYMF Sharpe Ratio Rank: 95
MYMF Sortino Ratio Rank: 98
MYMF Omega Ratio Rank: 98
MYMF Calmar Ratio Rank: 94
MYMF Martin Ratio Rank: 94

SMMU

SMMU Risk / Return Rank: 92
SMMU Sharpe Ratio Rank: 94
SMMU Sortino Ratio Rank: 96
SMMU Omega Ratio Rank: 97
SMMU Calmar Ratio Rank: 87
SMMU Martin Ratio Rank: 85

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.

MYMF vs. SMMU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street My2026 Municipal Bond ETF (MYMF) and PIMCO Short Term Municipal Bond Active ETF (SMMU). 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.

	MYMF	SMMU	Difference
Sharpe ratio Return per unit of total volatility	3.95	3.81	+0.13
Sortino ratio Return per unit of downside risk	6.93	5.77	+1.15
Omega ratio Gain probability vs. loss probability	2.19	1.90	+0.29
Calmar ratio Return relative to maximum drawdown	7.61	5.04	+2.56
Martin ratio Return relative to average drawdown	28.15	18.06	+10.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MYMF vs. SMMU - Sharpe Ratio Comparison

The current MYMF Sharpe Ratio is 3.95, which is comparable to the SMMU Sharpe Ratio of 3.81. The chart below compares the historical Sharpe Ratios of MYMF and SMMU, 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

	MYMF	SMMU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.95	3.81	+0.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.13	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.67	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.36	0.60	+0.76

Drawdowns

MYMF vs. SMMU - Drawdown Comparison

The maximum MYMF drawdown since its inception was -2.02%, smaller than the maximum SMMU drawdown of -5.09%. Use the drawdown chart below to compare losses from any high point for MYMF and SMMU.

Drawdown Indicators

	MYMF	SMMU	Difference
Max Drawdown Largest peak-to-trough decline	-2.02%	-5.09%	+3.07%
Max Drawdown (1Y) Largest decline over 1 year	-0.38%	-0.77%	+0.39%
Max Drawdown (3Y) Largest decline over 3 years	—	-1.95%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-4.76%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-5.09%	—
Current Drawdown Current decline from peak	-0.05%	-0.10%	+0.05%
Average Drawdown Average peak-to-trough decline	-0.18%	-0.55%	+0.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.10%	0.22%	-0.12%

Volatility

MYMF vs. SMMU - Volatility Comparison

The current volatility for State Street My2026 Municipal Bond ETF (MYMF) is 0.21%, while PIMCO Short Term Municipal Bond Active ETF (SMMU) has a volatility of 0.31%. This indicates that MYMF experiences smaller price fluctuations and is considered to be less risky than SMMU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MYMF	SMMU	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.21%	0.31%	-0.10%
Volatility (6M) Calculated over the trailing 6-month period	0.52%	0.80%	-0.28%
Volatility (1Y) Calculated over the trailing 1-year period	0.75%	1.02%	-0.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.65%	1.67%	-0.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.65%	2.73%	-1.08%

MYMF vs. SMMU - Expense Ratio Comparison

MYMF has a 0.20% expense ratio, which is lower than SMMU's 0.35% expense ratio.

Dividends

MYMF vs. SMMU - Dividend Comparison

MYMF's dividend yield for the trailing twelve months is around 2.47%, less than SMMU's 2.84% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MYMF State Street My2026 Municipal Bond ETF	2.47%	2.80%	0.83%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SMMU PIMCO Short Term Municipal Bond Active ETF	2.84%	2.80%	3.03%	2.79%	1.37%	0.60%	1.19%	1.82%	1.57%	1.41%	1.03%	0.89%

Frequently Asked Questions

Can I hold both MYMF and SMMU in my portfolio?

MYMF and SMMU have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MYMF or SMMU?

SMMU has higher volatility (0.31%) compared to MYMF (0.21%). In terms of maximum drawdown, MYMF dropped -2.02% vs SMMU's -5.09%.

Which ETF is better, MYMF or SMMU?

On 1-year performance, SMMU leads with 3.89% vs 2.93% for MYMF. On fees, MYMF is cheaper at 0.20% per year. On volatility, MYMF has been the lower-risk option at 0.21%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MYMF or SMMU?

Over the 1-year period, SMMU has performed better with a 3.89% return vs 2.93%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MYMF or SMMU?

MYMF is cheaper with a 0.20% expense ratio, compared with 0.35% for SMMU.

Which ETF pays a higher dividend yield, MYMF or SMMU?

SMMU has the higher dividend yield at 2.84%, compared with 2.47% for MYMF.

What is the main difference between MYMF and SMMU?

They also come from different issuers: State Street and PIMCO. Their fees differ too: 0.20% for MYMF and 0.35% for SMMU.

Which has better risk-adjusted returns?

MYMF currently has the higher Sharpe Ratio (3.95 vs 3.81), 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.