GUMI vs. AMUN

Last updated Jun 26, 2026

GUMI (Goldman Sachs Ultra Short Municipal Income ETF) and AMUN (abrdn Ultra Short Municipal Income Active ETF) are both Municipal Bonds funds. Both are actively managed. At a 0.16 correlation, their price movements are largely independent. GUMI charges 0.16%/yr vs 0.25%/yr for AMUN.

Performance

GUMI vs. AMUN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Goldman Sachs Ultra Short Municipal Income ETF (GUMI) and abrdn Ultra Short Municipal Income Active ETF (AMUN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with GUMI having a 1.30% return and AMUN slightly lower at 1.27%.

GUMI

• 1D: 0.02%
• 1M: 0.38%
• YTD: 1.30%
• 6M: 1.40%
• 1Y: 3.14%
• 3Y*: —
• 5Y*: —
• 10Y*: —

AMUN

• 1D: 0.00%
• 1M: 0.32%
• YTD: 1.27%
• 6M: 1.31%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

GUMI vs. AMUN - Yearly Performance Comparison

	2026 (YTD)	2025
GUMI Goldman Sachs Ultra Short Municipal Income ETF	1.30%	0.78%
AMUN abrdn Ultra Short Municipal Income Active ETF	1.27%	0.14%

Correlation

The correlation between GUMI and AMUN is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 20, 2025	0.16

Return for Risk

GUMI vs. AMUN — Risk / Return Rank

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

GUMI

GUMI Risk / Return Rank: 96
GUMI Sharpe Ratio Rank: 93
GUMI Sortino Ratio Rank: 96
GUMI Omega Ratio Rank: 95
GUMI Calmar Ratio Rank: 97
GUMI Martin Ratio Rank: 97

AMUN

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

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.

GUMI vs. AMUN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Goldman Sachs Ultra Short Municipal Income ETF (GUMI) and abrdn Ultra Short Municipal Income Active ETF (AMUN). 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.

	GUMI	AMUN	Difference
Sharpe ratio: Return per unit of total volatility	2.95	—	—
Sortino ratio: Return per unit of downside risk	4.82	—	—
Omega ratio: Gain probability vs. loss probability	1.65	—	—
Calmar ratio: Return relative to maximum drawdown	8.82	—	—
Martin ratio: Return relative to average drawdown	38.16	—	—

Drawdowns

GUMI vs. AMUN - Drawdown Comparison

The maximum GUMI drawdown since its inception was -0.48%, smaller than the maximum AMUN drawdown of -0.61%. Use the drawdown chart below to compare losses from any high point for GUMI and AMUN.

Drawdown Indicators

	GUMI	AMUN	Difference
Max Drawdown Largest peak-to-trough decline	-0.48%	-0.61%	+0.13%
Max Drawdown (1Y) Largest decline over 1 year	-0.36%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.05%	-0.08%	+0.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.08%	—	—

Volatility

Volatility by Period

	GUMI	AMUN	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.19%	—	—
Volatility (6M) Calculated over the trailing 6-month period	0.51%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	1.07%	0.97%	+0.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.97%	0.97%	0.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.97%	0.97%	0.00%

GUMI vs. AMUN - Expense Ratio Comparison

GUMI has a 0.16% expense ratio, which is lower than AMUN's 0.25% 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

GUMI vs. AMUN - Dividend Comparison

GUMI's dividend yield for the trailing twelve months is around 2.77%, more than AMUN's 1.88% yield.

Position	TTM	2025	2024
AMUN abrdn Ultra Short Municipal Income Active ETF	1.88%	0.66%	0.00%
GUMI Goldman Sachs Ultra Short Municipal Income ETF	2.77%	2.95%	1.37%

Frequently Asked Questions

Can I hold both GUMI and AMUN in my portfolio?

GUMI and AMUN have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, GUMI or AMUN?

On fees, GUMI is cheaper at 0.16% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, GUMI or AMUN?

GUMI is cheaper with a 0.16% expense ratio, compared with 0.25% for AMUN.

Which ETF pays a higher dividend yield, GUMI or AMUN?

GUMI has the higher dividend yield at 2.77%, compared with 1.88% for AMUN.

What is the main difference between GUMI and AMUN?

They also come from different issuers: Goldman Sachs and abrdn. Their fees differ too: 0.16% for GUMI and 0.25% for AMUN.