GMUN vs. GMUB

Last updated Jun 5, 2026

GMUN (Goldman Sachs Community Municipal Bond ETF) and GMUB (Goldman Sachs Municipal Income ETF) are both Municipal Bonds funds from Goldman Sachs. GMUN is passively managed, while GMUB is actively managed. Over the past year, GMUN returned 4.76% vs 7.39% for GMUB. A 0.72 correlation means they provide meaningful diversification when combined. GMUN charges 0.15%/yr vs 0.18%/yr for GMUB.

Performance

GMUN vs. GMUB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Goldman Sachs Community Municipal Bond ETF (GMUN) and Goldman Sachs Municipal Income ETF (GMUB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GMUN achieves a -0.34% return, which is significantly lower than GMUB's 1.66% return.

GMUN

• 1D: 0.00%
• 1M: -0.79%
• YTD: -0.34%
• 6M: 0.02%
• 1Y: 4.76%
• 3Y*: 3.06%
• 5Y*: —
• 10Y*: —

GMUB

• 1D: 0.10%
• 1M: 0.61%
• YTD: 1.66%
• 6M: 2.29%
• 1Y: 7.39%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

GMUN vs. GMUB - Yearly Performance Comparison

	2026 (YTD)	2025	2024
GMUN Goldman Sachs Community Municipal Bond ETF	-0.34%	5.92%	0.90%
GMUB Goldman Sachs Municipal Income ETF	1.66%	5.99%	1.08%

Correlation

The correlation between GMUN and GMUB is 0.63, 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	0.63
Correlation (All Time) Calculated using the full available price history since Jul 26, 2024	0.72

The correlation between GMUN and GMUB has been stable across timeframes, ranging from 0.63 to 0.72 - a consistent structural relationship.

Return for Risk

GMUN vs. GMUB — Risk / Return Rank

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

GMUN

GMUN Risk / Return Rank: 55
GMUN Sharpe Ratio Rank: 62
GMUN Sortino Ratio Rank: 60
GMUN Omega Ratio Rank: 82
GMUN Calmar Ratio Rank: 37
GMUN Martin Ratio Rank: 35

GMUB

GMUB Risk / Return Rank: 79
GMUB Sharpe Ratio Rank: 84
GMUB Sortino Ratio Rank: 90
GMUB Omega Ratio Rank: 89
GMUB Calmar Ratio Rank: 66
GMUB Martin Ratio Rank: 65

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.

GMUN vs. GMUB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Goldman Sachs Community Municipal Bond ETF (GMUN) and Goldman Sachs Municipal Income ETF (GMUB). 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.

	GMUN	GMUB	Difference
Sharpe ratio: Return per unit of total volatility	2.04	2.72	-0.68
Sortino ratio: Return per unit of downside risk	2.79	4.17	-1.38
Omega ratio: Gain probability vs. loss probability	1.49	1.55	-0.06
Calmar ratio: Return relative to maximum drawdown	1.75	3.24	-1.49
Martin ratio: Return relative to average drawdown	5.36	11.69	-6.33
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GMUN vs. GMUB - Sharpe Ratio Comparison

The current GMUN Sharpe Ratio is 2.04, which is comparable to the GMUB Sharpe Ratio of 2.72. The chart below compares the historical Sharpe Ratios of GMUN and GMUB, 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

	GMUN	GMUB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.04	2.72	-0.68
Sharpe Ratio (All Time) Calculated using the full available price history	0.99	1.43	-0.44

Drawdowns

GMUN vs. GMUB - Drawdown Comparison

The maximum GMUN drawdown since its inception was -4.35%, which is greater than GMUB's maximum drawdown of -3.28%. Use the drawdown chart below to compare losses from any high point for GMUN and GMUB.

Drawdown Indicators

	GMUN	GMUB	Difference
Max Drawdown Largest peak-to-trough decline	-4.35%	-3.28%	-1.07%
Max Drawdown (1Y) Largest decline over 1 year	-2.83%	-2.29%	-0.54%
Max Drawdown (3Y) Largest decline over 3 years	-3.37%	—	—
Current Drawdown Current decline from peak	-2.29%	-0.36%	-1.93%
Average Drawdown Average peak-to-trough decline	-1.02%	-0.63%	-0.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.92%	0.63%	+0.29%

Volatility

GMUN vs. GMUB - Volatility Comparison

Goldman Sachs Community Municipal Bond ETF (GMUN) has a higher volatility of 1.09% compared to Goldman Sachs Municipal Income ETF (GMUB) at 0.78%. This indicates that GMUN's price experiences larger fluctuations and is considered to be riskier than GMUB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GMUN	GMUB	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.09%	0.78%	+0.31%
Volatility (6M) Calculated over the trailing 6-month period	2.00%	1.89%	+0.11%
Volatility (1Y) Calculated over the trailing 1-year period	2.42%	2.74%	-0.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.96%	3.30%	-0.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.96%	3.30%	-0.34%

GMUN vs. GMUB - Expense Ratio Comparison

GMUN has a 0.15% expense ratio, which is lower than GMUB's 0.18% 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

GMUN vs. GMUB - Dividend Comparison

GMUN's dividend yield for the trailing twelve months is around 3.12%, less than GMUB's 3.25% yield.

Position	TTM	2025	2024	2023
GMUB Goldman Sachs Municipal Income ETF	3.25%	3.14%	1.46%	0.00%
GMUN Goldman Sachs Community Municipal Bond ETF	3.12%	2.94%	3.22%	2.20%

Frequently Asked Questions

Can I hold both GMUN and GMUB in my portfolio?

GMUN and GMUB have a correlation of 0.63, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GMUN or GMUB?

GMUN has higher volatility (1.09%) compared to GMUB (0.78%). In terms of maximum drawdown, GMUN dropped -4.35% vs GMUB's -3.28%.

Which ETF is better, GMUN or GMUB?

On 1-year performance, GMUB leads with 7.39% vs 4.76% for GMUN. On fees, GMUN is cheaper at 0.15% per year. On volatility, GMUB has been the lower-risk option at 0.78%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GMUN or GMUB?

Over the 1-year period, GMUB has performed better with a 7.39% return vs 4.76%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GMUN or GMUB?

GMUN is cheaper with a 0.15% expense ratio, compared with 0.18% for GMUB.

Which ETF pays a higher dividend yield, GMUN or GMUB?

GMUB has the higher dividend yield at 3.25%, compared with 3.12% for GMUN.

What is the main difference between GMUN and GMUB?

Their fees differ too: 0.15% for GMUN and 0.18% for GMUB.

Which has better risk-adjusted returns?

GMUB currently has the higher Sharpe Ratio (2.72 vs 2.04), 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.