AUSM vs. MYMI

Last updated Jun 23, 2026

AUSM (Allspring Ultra Short Municipal ETF) and MYMI (State Street My2029 Municipal Bond ETF) are both Municipal Bonds funds. Both are actively managed. At a 0.07 correlation, their price movements are largely independent. AUSM charges 0.18%/yr vs 0.20%/yr for MYMI.

Performance

AUSM vs. MYMI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allspring Ultra Short Municipal ETF (AUSM) 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, AUSM achieves a 1.20% return, which is significantly lower than MYMI's 1.47% return.

AUSM

• 1D: 0.02%
• 1M: 0.25%
• YTD: 1.20%
• 6M: 1.34%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MYMI

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

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

AUSM vs. MYMI - Yearly Performance Comparison

	2026 (YTD)	2025
AUSM Allspring Ultra Short Municipal ETF	1.20%	1.58%
MYMI State Street My2029 Municipal Bond ETF	1.47%	2.57%

Correlation

The correlation between AUSM and MYMI is 0.07, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jul 8, 2025	0.07

Return for Risk

AUSM vs. MYMI — Risk / Return Rank

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

AUSM

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

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

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.

AUSM vs. MYMI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allspring Ultra Short Municipal ETF (AUSM) 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.

	AUSM	MYMI	Difference
Sharpe ratio: Return per unit of total volatility	—	2.71	—
Sortino ratio: Return per unit of downside risk	—	4.25	—
Omega ratio: Gain probability vs. loss probability	—	1.66	—
Calmar ratio: Return relative to maximum drawdown	—	3.20	—
Martin ratio: Return relative to average drawdown	—	10.71	—

Drawdowns

AUSM vs. MYMI - Drawdown Comparison

The maximum AUSM drawdown since its inception was -0.42%, smaller than the maximum MYMI drawdown of -3.11%. Use the drawdown chart below to compare losses from any high point for AUSM and MYMI.

Drawdown Indicators

	AUSM	MYMI	Difference
Max Drawdown Largest peak-to-trough decline	-0.42%	-3.11%	+2.69%
Max Drawdown (1Y) Largest decline over 1 year	—	-1.39%	—
Current Drawdown Current decline from peak	-0.01%	-0.17%	+0.16%
Average Drawdown Average peak-to-trough decline	-0.09%	-0.70%	+0.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.41%	—

Volatility

Volatility by Period

	AUSM	MYMI	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.31%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.20%	—
Volatility (1Y) Calculated over the trailing 1-year period	0.75%	1.64%	-0.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.75%	2.87%	-2.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.75%	2.87%	-2.12%

AUSM vs. MYMI - Expense Ratio Comparison

AUSM has a 0.18% expense ratio, which is lower than MYMI's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

AUSM vs. MYMI - Dividend Comparison

AUSM's dividend yield for the trailing twelve months is around 2.39%, less than MYMI's 2.87% yield.

Position	TTM	2025	2024
AUSM Allspring Ultra Short Municipal ETF	2.39%	1.26%	0.00%
MYMI State Street My2029 Municipal Bond ETF	2.87%	3.00%	0.93%

Frequently Asked Questions

Can I hold both AUSM and MYMI in my portfolio?

AUSM and MYMI have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, AUSM or MYMI?

On fees, AUSM is cheaper at 0.18% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, AUSM or MYMI?

AUSM is cheaper with a 0.18% expense ratio, compared with 0.20% for MYMI.

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

MYMI has the higher dividend yield at 2.87%, compared with 2.39% for AUSM.

What is the main difference between AUSM and MYMI?

They also come from different issuers: Allspring and State Street. Their fees differ too: 0.18% for AUSM and 0.20% for MYMI.