MYMI vs. MYMF

Last updated Jun 23, 2026

MYMI (State Street My2029 Municipal Bond ETF) and MYMF (State Street My2026 Municipal Bond ETF) are both Municipal Bonds funds from State Street. Both are actively managed. Over the past year, MYMI returned 4.42% vs 2.81% for MYMF. A 0.62 correlation means they provide meaningful diversification when combined. Both charge a 0.20% expense ratio.

Performance

MYMI vs. MYMF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street My2029 Municipal Bond ETF (MYMI) and State Street My2026 Municipal Bond ETF (MYMF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MYMI achieves a 1.47% return, which is significantly higher than MYMF's 0.74% return.

MYMI

• 1D: 0.00%
• 1M: 0.68%
• YTD: 1.47%
• 6M: 1.91%
• 1Y: 4.42%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MYMF

• 1D: 0.00%
• 1M: 0.37%
• YTD: 0.74%
• 6M: 0.82%
• 1Y: 2.81%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MYMI vs. MYMF - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MYMI State Street My2029 Municipal Bond ETF	1.47%	3.12%	-0.99%
MYMF State Street My2026 Municipal Bond ETF	0.74%	3.01%	0.07%

Correlation

The correlation between MYMI and MYMF is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.28
Correlation (All Time) Calculated using the full available price history since Sep 24, 2024	0.62

Over the past year, the correlation between MYMI and MYMF has dropped to 0.28 - well below their long-term average of 0.62, suggesting their price drivers have been diverging.

Return for Risk

MYMI vs. MYMF — Risk / Return Rank

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

MYMI

MYMI Risk / Return Rank: 80
MYMI Sharpe Ratio Rank: 87
MYMI Sortino Ratio Rank: 92
MYMI Omega Ratio Rank: 94
MYMI Calmar Ratio Rank: 66
MYMI Martin Ratio Rank: 61

MYMF

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

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.

MYMI vs. MYMF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street My2029 Municipal Bond ETF (MYMI) and State Street My2026 Municipal Bond ETF (MYMF). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MYMI	MYMF	Difference
Sharpe ratio: Return per unit of total volatility	2.71	3.85	-1.13
Sortino ratio: Return per unit of downside risk	4.25	6.86	-2.61
Omega ratio: Gain probability vs. loss probability	1.66	2.19	-0.53
Calmar ratio: Return relative to maximum drawdown	3.20	7.40	-4.20
Martin ratio: Return relative to average drawdown	10.71	27.37	-16.66

MYMI vs. MYMF - Sharpe Ratio Comparison

The current MYMI Sharpe Ratio is 2.71, which is comparable to the MYMF Sharpe Ratio of 3.85. The chart below compares the historical Sharpe Ratios of MYMI and MYMF, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MYMI vs. MYMF - Drawdown Comparison

The maximum MYMI drawdown since its inception was -3.11%, which is greater than MYMF's maximum drawdown of -2.02%. Use the drawdown chart below to compare losses from any high point for MYMI and MYMF.

Drawdown Indicators

	MYMI	MYMF	Difference
Max Drawdown Largest peak-to-trough decline	-3.11%	-2.02%	-1.09%
Max Drawdown (1Y) Largest decline over 1 year	-1.39%	-0.38%	-1.01%
Current Drawdown Current decline from peak	-0.17%	0.00%	-0.17%
Average Drawdown Average peak-to-trough decline	-0.70%	-0.18%	-0.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.41%	0.10%	+0.31%

Volatility

MYMI vs. MYMF - Volatility Comparison

State Street My2029 Municipal Bond ETF (MYMI) has a higher volatility of 0.31% compared to State Street My2026 Municipal Bond ETF (MYMF) at 0.24%. This indicates that MYMI's price experiences larger fluctuations and is considered to be riskier than MYMF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MYMI	MYMF	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.31%	0.24%	+0.07%
Volatility (6M) Calculated over the trailing 6-month period	1.20%	0.54%	+0.66%
Volatility (1Y) Calculated over the trailing 1-year period	1.64%	0.73%	+0.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.87%	1.63%	+1.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.87%	1.63%	+1.24%

MYMI vs. MYMF - Expense Ratio Comparison

Both MYMI and MYMF have an expense ratio of 0.20%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

MYMI vs. MYMF - Dividend Comparison

MYMI's dividend yield for the trailing twelve months is around 2.87%, more than MYMF's 2.47% yield.

Position	TTM	2025	2024
MYMF State Street My2026 Municipal Bond ETF	2.47%	2.80%	0.83%
MYMI State Street My2029 Municipal Bond ETF	2.87%	3.00%	0.93%

Frequently Asked Questions

Can I hold both MYMI and MYMF in my portfolio?

MYMI and MYMF have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MYMI or MYMF?

MYMI has higher volatility (0.31%) compared to MYMF (0.24%). In terms of maximum drawdown, MYMI dropped -3.11% vs MYMF's -2.02%.

Which ETF is better, MYMI or MYMF?

On 1-year performance, MYMI leads with 4.42% vs 2.81% for MYMF. Both ETFs have the same 0.20% expense ratio. 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, MYMI or MYMF?

Over the 1-year period, MYMI has performed better with a 4.42% return vs 2.81%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MYMI or MYMF?

MYMI and MYMF have the same expense ratio: 0.20% per year.

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

MYMI has the higher dividend yield at 2.87%, compared with 2.47% for MYMF.

Which has better risk-adjusted returns?

MYMF currently has the higher Sharpe Ratio (3.85 vs 2.71), 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.