MYMH vs. SUB

Last updated Jun 4, 2026

MYMH (State Street My2028 Municipal Bond ETF) and SUB (iShares Short-Term National Muni Bond ETF) are both Municipal Bonds funds. MYMH is actively managed, while SUB is passively managed. Over the past year, MYMH returned 4.05% vs 3.18% for SUB. A 0.62 correlation means they provide meaningful diversification when combined. MYMH charges 0.20%/yr vs 0.07%/yr for SUB.

Performance

MYMH vs. SUB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street My2028 Municipal Bond ETF (MYMH) and iShares Short-Term National Muni Bond ETF (SUB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MYMH achieves a 0.75% return, which is significantly lower than SUB's 0.79% return.

MYMH

• 1D: 0.02%
• 1M: 0.30%
• YTD: 0.75%
• 6M: 1.03%
• 1Y: 4.05%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SUB

• 1D: 0.01%
• 1M: 0.32%
• YTD: 0.79%
• 6M: 1.15%
• 1Y: 3.18%
• 3Y*: 3.19%
• 5Y*: 1.46%
• 10Y*: 1.49%

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

MYMH vs. SUB - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MYMH State Street My2028 Municipal Bond ETF	0.75%	3.21%	-0.96%
SUB iShares Short-Term National Muni Bond ETF	0.79%	3.64%	0.06%

Correlation

The correlation between MYMH and SUB is 0.52, 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	0.52
Correlation (All Time) Calculated using the full available price history since Sep 25, 2024	0.62

The correlation between MYMH and SUB has been stable across timeframes, ranging from 0.52 to 0.62 - a consistent structural relationship.

Return for Risk

MYMH vs. SUB — Risk / Return Rank

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

MYMH

MYMH Risk / Return Rank: 87
MYMH Sharpe Ratio Rank: 91
MYMH Sortino Ratio Rank: 95
MYMH Omega Ratio Rank: 96
MYMH Calmar Ratio Rank: 84
MYMH Martin Ratio Rank: 69

SUB

SUB Risk / Return Rank: 83
SUB Sharpe Ratio Rank: 90
SUB Sortino Ratio Rank: 92
SUB Omega Ratio Rank: 95
SUB Calmar Ratio Rank: 77
SUB Martin Ratio Rank: 62

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.

MYMH vs. SUB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street My2028 Municipal Bond ETF (MYMH) and iShares Short-Term National Muni Bond ETF (SUB). 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.

	MYMH	SUB	Difference
Sharpe ratio: Return per unit of total volatility	3.15	3.20	-0.05
Sortino ratio: Return per unit of downside risk	4.96	4.64	+0.33
Omega ratio: Gain probability vs. loss probability	1.79	1.72	+0.08
Calmar ratio: Return relative to maximum drawdown	4.53	3.97	+0.56
Martin ratio: Return relative to average drawdown	12.67	11.24	+1.44
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MYMH vs. SUB - Sharpe Ratio Comparison

The current MYMH Sharpe Ratio is 3.15, which is comparable to the SUB Sharpe Ratio of 3.20. The chart below compares the historical Sharpe Ratios of MYMH and SUB, 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

	MYMH	SUB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.15	3.20	-0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.90	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.57	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.68	0.42	+0.25

Drawdowns

MYMH vs. SUB - Drawdown Comparison

The maximum MYMH drawdown since its inception was -2.67%, smaller than the maximum SUB drawdown of -9.46%. Use the drawdown chart below to compare losses from any high point for MYMH and SUB.

Drawdown Indicators

	MYMH	SUB	Difference
Max Drawdown Largest peak-to-trough decline	-2.67%	-9.46%	+6.79%
Max Drawdown (1Y) Largest decline over 1 year	-0.90%	-0.81%	-0.09%
Max Drawdown (3Y) Largest decline over 3 years	—	-1.23%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-4.35%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-9.46%	—
Current Drawdown Current decline from peak	-0.42%	-0.11%	-0.31%
Average Drawdown Average peak-to-trough decline	-0.51%	-0.92%	+0.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.32%	0.28%	+0.04%

Volatility

MYMH vs. SUB - Volatility Comparison

The current volatility for State Street My2028 Municipal Bond ETF (MYMH) is 0.26%, while iShares Short-Term National Muni Bond ETF (SUB) has a volatility of 0.28%. This indicates that MYMH experiences smaller price fluctuations and is considered to be less risky than SUB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MYMH	SUB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.26%	0.28%	-0.02%
Volatility (6M) Calculated over the trailing 6-month period	0.89%	0.79%	+0.10%
Volatility (1Y) Calculated over the trailing 1-year period	1.29%	1.00%	+0.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.62%	1.64%	+0.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.62%	2.60%	+0.02%

MYMH vs. SUB - Expense Ratio Comparison

MYMH has a 0.20% expense ratio, which is higher than SUB's 0.07% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

MYMH vs. SUB - Dividend Comparison

MYMH's dividend yield for the trailing twelve months is around 2.91%, more than SUB's 2.53% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MYMH State Street My2028 Municipal Bond ETF	2.91%	3.01%	0.88%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SUB iShares Short-Term National Muni Bond ETF	2.53%	2.42%	2.10%	1.73%	0.86%	0.72%	1.23%	1.58%	1.32%	0.95%	0.75%	0.77%

Frequently Asked Questions

Can I hold both MYMH and SUB in my portfolio?

MYMH and SUB have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MYMH or SUB?

SUB has higher volatility (0.28%) compared to MYMH (0.26%). In terms of maximum drawdown, MYMH dropped -2.67% vs SUB's -9.46%.

Which ETF is better, MYMH or SUB?

On 1-year performance, MYMH leads with 4.05% vs 3.18% for SUB. On fees, SUB is cheaper at 0.07% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MYMH or SUB?

Over the 1-year period, MYMH has performed better with a 4.05% return vs 3.18%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MYMH or SUB?

SUB is cheaper with a 0.07% expense ratio, compared with 0.20% for MYMH.

Which ETF pays a higher dividend yield, MYMH or SUB?

MYMH has the higher dividend yield at 2.91%, compared with 2.53% for SUB.

What is the main difference between MYMH and SUB?

They also come from different issuers: State Street and iShares. Their fees differ too: 0.20% for MYMH and 0.07% for SUB.

Which has better risk-adjusted returns?

SUB currently has the higher Sharpe Ratio (3.20 vs 3.15), 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.