MYMF vs. MYMI

Last updated Jun 26, 2026

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

Performance

MYMF vs. MYMI - Performance Comparison

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

Returns By Period

In the year-to-date period, MYMF achieves a 0.74% return, which is significantly lower than MYMI's 1.56% return.

MYMF

• 1D: 0.00%
• 1M: 0.37%
• YTD: 0.74%
• 6M: 0.78%
• 1Y: 2.81%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MYMI

• 1D: 0.00%
• 1M: 0.56%
• YTD: 1.56%
• 6M: 1.64%
• 1Y: 4.42%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MYMF vs. MYMI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MYMF State Street My2026 Municipal Bond ETF	0.74%	3.01%	0.07%
MYMI State Street My2029 Municipal Bond ETF	1.56%	3.12%	-0.99%

Correlation

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

Return for Risk

MYMF vs. MYMI — Risk / Return Rank

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

MYMF

MYMF Risk / Return Rank: 97
MYMF Sharpe Ratio Rank: 97
MYMF Sortino Ratio Rank: 98
MYMF Omega Ratio Rank: 98
MYMF Calmar Ratio Rank: 96
MYMF Martin Ratio Rank: 95

MYMI

MYMI Risk / Return Rank: 84
MYMI Sharpe Ratio Rank: 91
MYMI Sortino Ratio Rank: 94
MYMI Omega Ratio Rank: 95
MYMI Calmar Ratio Rank: 72
MYMI Martin Ratio Rank: 67

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. MYMI - Risk-Adjusted Trends Comparison

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

	MYMF	MYMI	Difference
Sharpe ratio: Return per unit of total volatility	3.85	2.72	+1.13
Sortino ratio: Return per unit of downside risk	6.86	4.25	+2.60
Omega ratio: Gain probability vs. loss probability	2.19	1.66	+0.52
Calmar ratio: Return relative to maximum drawdown	7.40	3.20	+4.20
Martin ratio: Return relative to average drawdown	27.37	10.70	+16.67

MYMF vs. MYMI - Sharpe Ratio Comparison

The current MYMF Sharpe Ratio is 3.85, which is higher than the MYMI Sharpe Ratio of 2.72. The chart below compares the historical Sharpe Ratios of MYMF and MYMI, 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

MYMF vs. MYMI - Drawdown Comparison

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

Drawdown Indicators

	MYMF	MYMI	Difference
Max Drawdown Largest peak-to-trough decline	-2.02%	-3.11%	+1.09%
Max Drawdown (1Y) Largest decline over 1 year	-0.38%	-1.39%	+1.01%
Current Drawdown Current decline from peak	0.00%	-0.09%	+0.09%
Average Drawdown Average peak-to-trough decline	-0.18%	-0.70%	+0.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.10%	0.41%	-0.31%

Volatility

MYMF vs. MYMI - Volatility Comparison

The current volatility for State Street My2026 Municipal Bond ETF (MYMF) is 0.24%, while State Street My2029 Municipal Bond ETF (MYMI) has a volatility of 0.26%. This indicates that MYMF experiences smaller price fluctuations and is considered to be less risky than MYMI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MYMF	MYMI	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.24%	0.26%	-0.02%
Volatility (6M) Calculated over the trailing 6-month period	0.53%	1.14%	-0.61%
Volatility (1Y) Calculated over the trailing 1-year period	0.73%	1.63%	-0.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.63%	2.87%	-1.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.63%	2.87%	-1.24%

MYMF vs. MYMI - Expense Ratio Comparison

Both MYMF and MYMI 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

MYMF vs. MYMI - Dividend Comparison

MYMF's dividend yield for the trailing twelve months is around 2.47%, less than MYMI's 2.86% 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	2.86%	3.00%	0.93%

Frequently Asked Questions

Can I hold both MYMF and MYMI in my portfolio?

MYMF and MYMI 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, MYMF or MYMI?

MYMI has higher volatility (0.26%) compared to MYMF (0.24%). In terms of maximum drawdown, MYMF dropped -2.02% vs MYMI's -3.11%.

Which ETF is better, MYMF or MYMI?

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, MYMF or MYMI?

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, MYMF or MYMI?

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

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

MYMI has the higher dividend yield at 2.86%, compared with 2.47% for MYMF.

Which has better risk-adjusted returns?

MYMF currently has the higher Sharpe Ratio (3.85 vs 2.72), 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.